Home / 3,716.31-5,129.07-2,372.50

Finding the Fourth Proportional to 3,716.31, 5,129.07 and 2,372.50

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Solution

The fourth proportional to 3,716.31, 5,129.07 and 2,372.50 is: 3,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.31 : 5,129.07 = 2,372.50 : x
  2. Step 2: Convert to fraction form
    3,716.31/5,129.07 = 2,372.50/x
  3. Step 3: Cross multiply
    3,716.31x = 5,129.07 × 2,372.50
  4. Step 4: Simplify right side
    3,716.31x = 12,168,718.58
  5. Step 5: Solve for x
    x = 12,168,718.58/3,716.31
  6. Step 6: Final answer
    x = 3,274.41

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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.