Home / 3,861.24-5,330.52-3,020.10

Finding the Fourth Proportional to 3,861.24, 5,330.52 and 3,020.10

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Solution

The fourth proportional to 3,861.24, 5,330.52 and 3,020.10 is: 4,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.24 : 5,330.52 = 3,020.10 : x
  2. Step 2: Convert to fraction form
    3,861.24/5,330.52 = 3,020.10/x
  3. Step 3: Cross multiply
    3,861.24x = 5,330.52 × 3,020.10
  4. Step 4: Simplify right side
    3,861.24x = 16,098,703.45
  5. Step 5: Solve for x
    x = 16,098,703.45/3,861.24
  6. Step 6: Final answer
    x = 4,169.31

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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.