Home / 4,082.90-5,632.67-2,720.76

Finding the Fourth Proportional to 4,082.90, 5,632.67 and 2,720.76

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Solution

The fourth proportional to 4,082.90, 5,632.67 and 2,720.76 is: 3,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.90 : 5,632.67 = 2,720.76 : x
  2. Step 2: Convert to fraction form
    4,082.90/5,632.67 = 2,720.76/x
  3. Step 3: Cross multiply
    4,082.90x = 5,632.67 × 2,720.76
  4. Step 4: Simplify right side
    4,082.90x = 15,325,128.91
  5. Step 5: Solve for x
    x = 15,325,128.91/4,082.90
  6. Step 6: Final answer
    x = 3,753.50

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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.