Home / 3,592.12-5,387.39-1,126.61

Finding the Fourth Proportional to 3,592.12, 5,387.39 and 1,126.61

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Solution

The fourth proportional to 3,592.12, 5,387.39 and 1,126.61 is: 1,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.12 : 5,387.39 = 1,126.61 : x
  2. Step 2: Convert to fraction form
    3,592.12/5,387.39 = 1,126.61/x
  3. Step 3: Cross multiply
    3,592.12x = 5,387.39 × 1,126.61
  4. Step 4: Simplify right side
    3,592.12x = 6,069,487.45
  5. Step 5: Solve for x
    x = 6,069,487.45/3,592.12
  6. Step 6: Final answer
    x = 1,689.67

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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.