Home / 2,432.79-3,629.45-2,082.06

Finding the Fourth Proportional to 2,432.79, 3,629.45 and 2,082.06

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Solution

The fourth proportional to 2,432.79, 3,629.45 and 2,082.06 is: 3,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.79 : 3,629.45 = 2,082.06 : x
  2. Step 2: Convert to fraction form
    2,432.79/3,629.45 = 2,082.06/x
  3. Step 3: Cross multiply
    2,432.79x = 3,629.45 × 2,082.06
  4. Step 4: Simplify right side
    2,432.79x = 7,556,737.87
  5. Step 5: Solve for x
    x = 7,556,737.87/2,432.79
  6. Step 6: Final answer
    x = 3,106.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.