Home / 4,082.52-5,634.92-2,315.15

Finding the Fourth Proportional to 4,082.52, 5,634.92 and 2,315.15

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Solution

The fourth proportional to 4,082.52, 5,634.92 and 2,315.15 is: 3,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.52 : 5,634.92 = 2,315.15 : x
  2. Step 2: Convert to fraction form
    4,082.52/5,634.92 = 2,315.15/x
  3. Step 3: Cross multiply
    4,082.52x = 5,634.92 × 2,315.15
  4. Step 4: Simplify right side
    4,082.52x = 13,045,670.76
  5. Step 5: Solve for x
    x = 13,045,670.76/4,082.52
  6. Step 6: Final answer
    x = 3,195.50

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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.