Home / 3,591.36-5,387.04-1,125.98

Finding the Fourth Proportional to 3,591.36, 5,387.04 and 1,125.98

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Solution

The fourth proportional to 3,591.36, 5,387.04 and 1,125.98 is: 1,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.36 : 5,387.04 = 1,125.98 : x
  2. Step 2: Convert to fraction form
    3,591.36/5,387.04 = 1,125.98/x
  3. Step 3: Cross multiply
    3,591.36x = 5,387.04 × 1,125.98
  4. Step 4: Simplify right side
    3,591.36x = 6,065,699.30
  5. Step 5: Solve for x
    x = 6,065,699.30/3,591.36
  6. Step 6: Final answer
    x = 1,688.97

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Similar ratio
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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.