Home / 2,231.83-3,348.21-845.14

Finding the Fourth Proportional to 2,231.83, 3,348.21 and 845.14

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Solution

The fourth proportional to 2,231.83, 3,348.21 and 845.14 is: 1,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.83 : 3,348.21 = 845.14 : x
  2. Step 2: Convert to fraction form
    2,231.83/3,348.21 = 845.14/x
  3. Step 3: Cross multiply
    2,231.83x = 3,348.21 × 845.14
  4. Step 4: Simplify right side
    2,231.83x = 2,829,689.46
  5. Step 5: Solve for x
    x = 2,829,689.46/2,231.83
  6. Step 6: Final answer
    x = 1,267.88

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,232.83, 3,349.71 and 846.14
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.