Home / 1,372.28-1,881.04-1,353.82

Finding the Fourth Proportional to 1,372.28, 1,881.04 and 1,353.82

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Solution

The fourth proportional to 1,372.28, 1,881.04 and 1,353.82 is: 1,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.28 : 1,881.04 = 1,353.82 : x
  2. Step 2: Convert to fraction form
    1,372.28/1,881.04 = 1,353.82/x
  3. Step 3: Cross multiply
    1,372.28x = 1,881.04 × 1,353.82
  4. Step 4: Simplify right side
    1,372.28x = 2,546,582.80
  5. Step 5: Solve for x
    x = 2,546,582.80/1,372.28
  6. Step 6: Final answer
    x = 1,855.73

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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.