Home / 4,139.76-5,712.39-2,371.26

Finding the Fourth Proportional to 4,139.76, 5,712.39 and 2,371.26

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Solution

The fourth proportional to 4,139.76, 5,712.39 and 2,371.26 is: 3,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.76 : 5,712.39 = 2,371.26 : x
  2. Step 2: Convert to fraction form
    4,139.76/5,712.39 = 2,371.26/x
  3. Step 3: Cross multiply
    4,139.76x = 5,712.39 × 2,371.26
  4. Step 4: Simplify right side
    4,139.76x = 13,545,561.91
  5. Step 5: Solve for x
    x = 13,545,561.91/4,139.76
  6. Step 6: Final answer
    x = 3,272.06

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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.