Home / 3,911.27-5,398.29-2,232.50

Finding the Fourth Proportional to 3,911.27, 5,398.29 and 2,232.50

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Solution

The fourth proportional to 3,911.27, 5,398.29 and 2,232.50 is: 3,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.27 : 5,398.29 = 2,232.50 : x
  2. Step 2: Convert to fraction form
    3,911.27/5,398.29 = 2,232.50/x
  3. Step 3: Cross multiply
    3,911.27x = 5,398.29 × 2,232.50
  4. Step 4: Simplify right side
    3,911.27x = 12,051,655.43
  5. Step 5: Solve for x
    x = 12,051,655.43/3,911.27
  6. Step 6: Final answer
    x = 3,081.27

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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.