Home / 4,124.30-5,691.47-2,331.75

Finding the Fourth Proportional to 4,124.30, 5,691.47 and 2,331.75

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Solution

The fourth proportional to 4,124.30, 5,691.47 and 2,331.75 is: 3,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.30 : 5,691.47 = 2,331.75 : x
  2. Step 2: Convert to fraction form
    4,124.30/5,691.47 = 2,331.75/x
  3. Step 3: Cross multiply
    4,124.30x = 5,691.47 × 2,331.75
  4. Step 4: Simplify right side
    4,124.30x = 13,271,070.85
  5. Step 5: Solve for x
    x = 13,271,070.85/4,124.30
  6. Step 6: Final answer
    x = 3,217.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.