Home / 3,125.28-4,690.08-1,394.04

Finding the Fourth Proportional to 3,125.28, 4,690.08 and 1,394.04

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Solution

The fourth proportional to 3,125.28, 4,690.08 and 1,394.04 is: 2,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.28 : 4,690.08 = 1,394.04 : x
  2. Step 2: Convert to fraction form
    3,125.28/4,690.08 = 1,394.04/x
  3. Step 3: Cross multiply
    3,125.28x = 4,690.08 × 1,394.04
  4. Step 4: Simplify right side
    3,125.28x = 6,538,159.12
  5. Step 5: Solve for x
    x = 6,538,159.12/3,125.28
  6. Step 6: Final answer
    x = 2,092.02

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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.