Home / 3,715.92-5,126.88-2,927.52

Finding the Fourth Proportional to 3,715.92, 5,126.88 and 2,927.52

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Solution

The fourth proportional to 3,715.92, 5,126.88 and 2,927.52 is: 4,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.92 : 5,126.88 = 2,927.52 : x
  2. Step 2: Convert to fraction form
    3,715.92/5,126.88 = 2,927.52/x
  3. Step 3: Cross multiply
    3,715.92x = 5,126.88 × 2,927.52
  4. Step 4: Simplify right side
    3,715.92x = 15,009,043.74
  5. Step 5: Solve for x
    x = 15,009,043.74/3,715.92
  6. Step 6: Final answer
    x = 4,039.12

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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.