Home / 3,125.55-4,687.11-1,176.69

Finding the Fourth Proportional to 3,125.55, 4,687.11 and 1,176.69

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Solution

The fourth proportional to 3,125.55, 4,687.11 and 1,176.69 is: 1,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.55 : 4,687.11 = 1,176.69 : x
  2. Step 2: Convert to fraction form
    3,125.55/4,687.11 = 1,176.69/x
  3. Step 3: Cross multiply
    3,125.55x = 4,687.11 × 1,176.69
  4. Step 4: Simplify right side
    3,125.55x = 5,515,275.47
  5. Step 5: Solve for x
    x = 5,515,275.47/3,125.55
  6. Step 6: Final answer
    x = 1,764.58

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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.