Home / 3,718.52-5,130.22-2,601.24

Finding the Fourth Proportional to 3,718.52, 5,130.22 and 2,601.24

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Solution

The fourth proportional to 3,718.52, 5,130.22 and 2,601.24 is: 3,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.52 : 5,130.22 = 2,601.24 : x
  2. Step 2: Convert to fraction form
    3,718.52/5,130.22 = 2,601.24/x
  3. Step 3: Cross multiply
    3,718.52x = 5,130.22 × 2,601.24
  4. Step 4: Simplify right side
    3,718.52x = 13,344,933.47
  5. Step 5: Solve for x
    x = 13,344,933.47/3,718.52
  6. Step 6: Final answer
    x = 3,588.78

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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.