Home / 1,458.18-2,002.49-1,248.36

Finding the Fourth Proportional to 1,458.18, 2,002.49 and 1,248.36

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Solution

The fourth proportional to 1,458.18, 2,002.49 and 1,248.36 is: 1,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.18 : 2,002.49 = 1,248.36 : x
  2. Step 2: Convert to fraction form
    1,458.18/2,002.49 = 1,248.36/x
  3. Step 3: Cross multiply
    1,458.18x = 2,002.49 × 1,248.36
  4. Step 4: Simplify right side
    1,458.18x = 2,499,822.17
  5. Step 5: Solve for x
    x = 2,499,822.17/1,458.18
  6. Step 6: Final answer
    x = 1,714.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.