Home / 3,130.29-4,695.59-2,581.47

Finding the Fourth Proportional to 3,130.29, 4,695.59 and 2,581.47

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Solution

The fourth proportional to 3,130.29, 4,695.59 and 2,581.47 is: 3,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.29 : 4,695.59 = 2,581.47 : x
  2. Step 2: Convert to fraction form
    3,130.29/4,695.59 = 2,581.47/x
  3. Step 3: Cross multiply
    3,130.29x = 4,695.59 × 2,581.47
  4. Step 4: Simplify right side
    3,130.29x = 12,121,511.81
  5. Step 5: Solve for x
    x = 12,121,511.81/3,130.29
  6. Step 6: Final answer
    x = 3,872.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.