Home / 3,031.28-4,547.46-1,086.20

Finding the Fourth Proportional to 3,031.28, 4,547.46 and 1,086.20

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Solution

The fourth proportional to 3,031.28, 4,547.46 and 1,086.20 is: 1,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.28 : 4,547.46 = 1,086.20 : x
  2. Step 2: Convert to fraction form
    3,031.28/4,547.46 = 1,086.20/x
  3. Step 3: Cross multiply
    3,031.28x = 4,547.46 × 1,086.20
  4. Step 4: Simplify right side
    3,031.28x = 4,939,451.05
  5. Step 5: Solve for x
    x = 4,939,451.05/3,031.28
  6. Step 6: Final answer
    x = 1,629.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.