Home / 1,635.32-2,452.06-769.62

Finding the Fourth Proportional to 1,635.32, 2,452.06 and 769.62

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Solution

The fourth proportional to 1,635.32, 2,452.06 and 769.62 is: 1,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.32 : 2,452.06 = 769.62 : x
  2. Step 2: Convert to fraction form
    1,635.32/2,452.06 = 769.62/x
  3. Step 3: Cross multiply
    1,635.32x = 2,452.06 × 769.62
  4. Step 4: Simplify right side
    1,635.32x = 1,887,154.42
  5. Step 5: Solve for x
    x = 1,887,154.42/1,635.32
  6. Step 6: Final answer
    x = 1,154.00

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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.