Home / 3,591.80-5,386.65-1,251.24

Finding the Fourth Proportional to 3,591.80, 5,386.65 and 1,251.24

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Solution

The fourth proportional to 3,591.80, 5,386.65 and 1,251.24 is: 1,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.80 : 5,386.65 = 1,251.24 : x
  2. Step 2: Convert to fraction form
    3,591.80/5,386.65 = 1,251.24/x
  3. Step 3: Cross multiply
    3,591.80x = 5,386.65 × 1,251.24
  4. Step 4: Simplify right side
    3,591.80x = 6,739,991.95
  5. Step 5: Solve for x
    x = 6,739,991.95/3,591.80
  6. Step 6: Final answer
    x = 1,876.49

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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.