Home / 3,545.12-5,317.68-2,317.16

Finding the Fourth Proportional to 3,545.12, 5,317.68 and 2,317.16

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Solution

The fourth proportional to 3,545.12, 5,317.68 and 2,317.16 is: 3,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.12 : 5,317.68 = 2,317.16 : x
  2. Step 2: Convert to fraction form
    3,545.12/5,317.68 = 2,317.16/x
  3. Step 3: Cross multiply
    3,545.12x = 5,317.68 × 2,317.16
  4. Step 4: Simplify right side
    3,545.12x = 12,321,915.39
  5. Step 5: Solve for x
    x = 12,321,915.39/3,545.12
  6. Step 6: Final answer
    x = 3,475.74

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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.