Home / 1,348.77-2,023.55-424.34

Finding the Fourth Proportional to 1,348.77, 2,023.55 and 424.34

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Solution

The fourth proportional to 1,348.77, 2,023.55 and 424.34 is: 636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.77 : 2,023.55 = 424.34 : x
  2. Step 2: Convert to fraction form
    1,348.77/2,023.55 = 424.34/x
  3. Step 3: Cross multiply
    1,348.77x = 2,023.55 × 424.34
  4. Step 4: Simplify right side
    1,348.77x = 858,660.97
  5. Step 5: Solve for x
    x = 858,660.97/1,348.77
  6. Step 6: Final answer
    x = 636.63

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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.