Home / 3,925.52-5,885.40-1,292.18

Finding the Fourth Proportional to 3,925.52, 5,885.40 and 1,292.18

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Solution

The fourth proportional to 3,925.52, 5,885.40 and 1,292.18 is: 1,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.52 : 5,885.40 = 1,292.18 : x
  2. Step 2: Convert to fraction form
    3,925.52/5,885.40 = 1,292.18/x
  3. Step 3: Cross multiply
    3,925.52x = 5,885.40 × 1,292.18
  4. Step 4: Simplify right side
    3,925.52x = 7,604,996.17
  5. Step 5: Solve for x
    x = 7,604,996.17/3,925.52
  6. Step 6: Final answer
    x = 1,937.32

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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.