Home / 1,348.46-2,022.56-423.99

Finding the Fourth Proportional to 1,348.46, 2,022.56 and 423.99

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Solution

The fourth proportional to 1,348.46, 2,022.56 and 423.99 is: 635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.46 : 2,022.56 = 423.99 : x
  2. Step 2: Convert to fraction form
    1,348.46/2,022.56 = 423.99/x
  3. Step 3: Cross multiply
    1,348.46x = 2,022.56 × 423.99
  4. Step 4: Simplify right side
    1,348.46x = 857,549.21
  5. Step 5: Solve for x
    x = 857,549.21/1,348.46
  6. Step 6: Final answer
    x = 635.95

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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.