Home / 4,123.28-6,185.20-1,658.10

Finding the Fourth Proportional to 4,123.28, 6,185.20 and 1,658.10

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Solution

The fourth proportional to 4,123.28, 6,185.20 and 1,658.10 is: 2,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.28 : 6,185.20 = 1,658.10 : x
  2. Step 2: Convert to fraction form
    4,123.28/6,185.20 = 1,658.10/x
  3. Step 3: Cross multiply
    4,123.28x = 6,185.20 × 1,658.10
  4. Step 4: Simplify right side
    4,123.28x = 10,255,680.12
  5. Step 5: Solve for x
    x = 10,255,680.12/4,123.28
  6. Step 6: Final answer
    x = 2,487.26

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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.