Home / 3,129.04-4,695.48-1,589.84

Finding the Fourth Proportional to 3,129.04, 4,695.48 and 1,589.84

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Solution

The fourth proportional to 3,129.04, 4,695.48 and 1,589.84 is: 2,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.04 : 4,695.48 = 1,589.84 : x
  2. Step 2: Convert to fraction form
    3,129.04/4,695.48 = 1,589.84/x
  3. Step 3: Cross multiply
    3,129.04x = 4,695.48 × 1,589.84
  4. Step 4: Simplify right side
    3,129.04x = 7,465,061.92
  5. Step 5: Solve for x
    x = 7,465,061.92/3,129.04
  6. Step 6: Final answer
    x = 2,385.74

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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.