Home / 2,646.74-3,972.28-1,348.58

Finding the Fourth Proportional to 2,646.74, 3,972.28 and 1,348.58

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Solution

The fourth proportional to 2,646.74, 3,972.28 and 1,348.58 is: 2,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.74 : 3,972.28 = 1,348.58 : x
  2. Step 2: Convert to fraction form
    2,646.74/3,972.28 = 1,348.58/x
  3. Step 3: Cross multiply
    2,646.74x = 3,972.28 × 1,348.58
  4. Step 4: Simplify right side
    2,646.74x = 5,356,937.36
  5. Step 5: Solve for x
    x = 5,356,937.36/2,646.74
  6. Step 6: Final answer
    x = 2,023.98

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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.