Home / 3,487.08-5,229.76-1,178.56

Finding the Fourth Proportional to 3,487.08, 5,229.76 and 1,178.56

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Solution

The fourth proportional to 3,487.08, 5,229.76 and 1,178.56 is: 1,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.08 : 5,229.76 = 1,178.56 : x
  2. Step 2: Convert to fraction form
    3,487.08/5,229.76 = 1,178.56/x
  3. Step 3: Cross multiply
    3,487.08x = 5,229.76 × 1,178.56
  4. Step 4: Simplify right side
    3,487.08x = 6,163,585.95
  5. Step 5: Solve for x
    x = 6,163,585.95/3,487.08
  6. Step 6: Final answer
    x = 1,767.55

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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.