Home / 2,082.48-3,124.24-621.76

Finding the Fourth Proportional to 2,082.48, 3,124.24 and 621.76

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Solution

The fourth proportional to 2,082.48, 3,124.24 and 621.76 is: 932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.48 : 3,124.24 = 621.76 : x
  2. Step 2: Convert to fraction form
    2,082.48/3,124.24 = 621.76/x
  3. Step 3: Cross multiply
    2,082.48x = 3,124.24 × 621.76
  4. Step 4: Simplify right side
    2,082.48x = 1,942,527.46
  5. Step 5: Solve for x
    x = 1,942,527.46/2,082.48
  6. Step 6: Final answer
    x = 932.80

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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.