Home / 3,177.04-4,765.60-1,125.04

Finding the Fourth Proportional to 3,177.04, 4,765.60 and 1,125.04

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Solution

The fourth proportional to 3,177.04, 4,765.60 and 1,125.04 is: 1,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.04 : 4,765.60 = 1,125.04 : x
  2. Step 2: Convert to fraction form
    3,177.04/4,765.60 = 1,125.04/x
  3. Step 3: Cross multiply
    3,177.04x = 4,765.60 × 1,125.04
  4. Step 4: Simplify right side
    3,177.04x = 5,361,490.62
  5. Step 5: Solve for x
    x = 5,361,490.62/3,177.04
  6. Step 6: Final answer
    x = 1,687.57

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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.