Home / 2,472.88-3,412.54-1,353.79

Finding the Fourth Proportional to 2,472.88, 3,412.54 and 1,353.79

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Solution

The fourth proportional to 2,472.88, 3,412.54 and 1,353.79 is: 1,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.88 : 3,412.54 = 1,353.79 : x
  2. Step 2: Convert to fraction form
    2,472.88/3,412.54 = 1,353.79/x
  3. Step 3: Cross multiply
    2,472.88x = 3,412.54 × 1,353.79
  4. Step 4: Simplify right side
    2,472.88x = 4,619,862.53
  5. Step 5: Solve for x
    x = 4,619,862.53/2,472.88
  6. Step 6: Final answer
    x = 1,868.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.