Home / 3,124.54-4,689.03-1,177.30

Finding the Fourth Proportional to 3,124.54, 4,689.03 and 1,177.30

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Solution

The fourth proportional to 3,124.54, 4,689.03 and 1,177.30 is: 1,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.54 : 4,689.03 = 1,177.30 : x
  2. Step 2: Convert to fraction form
    3,124.54/4,689.03 = 1,177.30/x
  3. Step 3: Cross multiply
    3,124.54x = 4,689.03 × 1,177.30
  4. Step 4: Simplify right side
    3,124.54x = 5,520,395.02
  5. Step 5: Solve for x
    x = 5,520,395.02/3,124.54
  6. Step 6: Final answer
    x = 1,766.79

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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.