Home / 1,463.85-2,195.55-423.99

Finding the Fourth Proportional to 1,463.85, 2,195.55 and 423.99

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Solution

The fourth proportional to 1,463.85, 2,195.55 and 423.99 is: 635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.85 : 2,195.55 = 423.99 : x
  2. Step 2: Convert to fraction form
    1,463.85/2,195.55 = 423.99/x
  3. Step 3: Cross multiply
    1,463.85x = 2,195.55 × 423.99
  4. Step 4: Simplify right side
    1,463.85x = 930,891.24
  5. Step 5: Solve for x
    x = 930,891.24/1,463.85
  6. Step 6: Final answer
    x = 635.92

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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.