Home / 2,387.80-3,577.56-1,292.92

Finding the Fourth Proportional to 2,387.80, 3,577.56 and 1,292.92

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Solution

The fourth proportional to 2,387.80, 3,577.56 and 1,292.92 is: 1,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.80 : 3,577.56 = 1,292.92 : x
  2. Step 2: Convert to fraction form
    2,387.80/3,577.56 = 1,292.92/x
  3. Step 3: Cross multiply
    2,387.80x = 3,577.56 × 1,292.92
  4. Step 4: Simplify right side
    2,387.80x = 4,625,498.88
  5. Step 5: Solve for x
    x = 4,625,498.88/2,387.80
  6. Step 6: Final answer
    x = 1,937.14

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1.5x scale

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.