Home / 3,591.59-5,387.88-1,126.58

Finding the Fourth Proportional to 3,591.59, 5,387.88 and 1,126.58

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Solution

The fourth proportional to 3,591.59, 5,387.88 and 1,126.58 is: 1,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.59 : 5,387.88 = 1,126.58 : x
  2. Step 2: Convert to fraction form
    3,591.59/5,387.88 = 1,126.58/x
  3. Step 3: Cross multiply
    3,591.59x = 5,387.88 × 1,126.58
  4. Step 4: Simplify right side
    3,591.59x = 6,069,877.85
  5. Step 5: Solve for x
    x = 6,069,877.85/3,591.59
  6. Step 6: Final answer
    x = 1,690.03

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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.