Home / 3,031.38-4,183.59-1,705.20

Finding the Fourth Proportional to 3,031.38, 4,183.59 and 1,705.20

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Solution

The fourth proportional to 3,031.38, 4,183.59 and 1,705.20 is: 2,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.38 : 4,183.59 = 1,705.20 : x
  2. Step 2: Convert to fraction form
    3,031.38/4,183.59 = 1,705.20/x
  3. Step 3: Cross multiply
    3,031.38x = 4,183.59 × 1,705.20
  4. Step 4: Simplify right side
    3,031.38x = 7,133,857.67
  5. Step 5: Solve for x
    x = 7,133,857.67/3,031.38
  6. Step 6: Final answer
    x = 2,353.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,032.38, 4,184.97 and 1,706.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.