Home / 3,887.13-5,366.62-2,397.08

Finding the Fourth Proportional to 3,887.13, 5,366.62 and 2,397.08

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Solution

The fourth proportional to 3,887.13, 5,366.62 and 2,397.08 is: 3,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.13 : 5,366.62 = 2,397.08 : x
  2. Step 2: Convert to fraction form
    3,887.13/5,366.62 = 2,397.08/x
  3. Step 3: Cross multiply
    3,887.13x = 5,366.62 × 2,397.08
  4. Step 4: Simplify right side
    3,887.13x = 12,864,217.47
  5. Step 5: Solve for x
    x = 12,864,217.47/3,887.13
  6. Step 6: Final answer
    x = 3,309.44

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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.