Home / 1,472.24-2,030.60-1,367.12

Finding the Fourth Proportional to 1,472.24, 2,030.60 and 1,367.12

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Solution

The fourth proportional to 1,472.24, 2,030.60 and 1,367.12 is: 1,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.24 : 2,030.60 = 1,367.12 : x
  2. Step 2: Convert to fraction form
    1,472.24/2,030.60 = 1,367.12/x
  3. Step 3: Cross multiply
    1,472.24x = 2,030.60 × 1,367.12
  4. Step 4: Simplify right side
    1,472.24x = 2,776,073.87
  5. Step 5: Solve for x
    x = 2,776,073.87/1,472.24
  6. Step 6: Final answer
    x = 1,885.61

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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.