Home / 3,591.89-5,387.83-1,126.92

Finding the Fourth Proportional to 3,591.89, 5,387.83 and 1,126.92

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Solution

The fourth proportional to 3,591.89, 5,387.83 and 1,126.92 is: 1,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.89 : 5,387.83 = 1,126.92 : x
  2. Step 2: Convert to fraction form
    3,591.89/5,387.83 = 1,126.92/x
  3. Step 3: Cross multiply
    3,591.89x = 5,387.83 × 1,126.92
  4. Step 4: Simplify right side
    3,591.89x = 6,071,647.75
  5. Step 5: Solve for x
    x = 6,071,647.75/3,591.89
  6. Step 6: Final answer
    x = 1,690.38

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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.