Home / 4,159.52-5,740-2,389.92

Finding the Fourth Proportional to 4,159.52, 5,740 and 2,389.92

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Solution

The fourth proportional to 4,159.52, 5,740 and 2,389.92 is: 3,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.52 : 5,740 = 2,389.92 : x
  2. Step 2: Convert to fraction form
    4,159.52/5,740 = 2,389.92/x
  3. Step 3: Cross multiply
    4,159.52x = 5,740 × 2,389.92
  4. Step 4: Simplify right side
    4,159.52x = 13,718,140.80
  5. Step 5: Solve for x
    x = 13,718,140.80/4,159.52
  6. Step 6: Final answer
    x = 3,298.01

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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.