Home / 1,575.97-2,356.45-1,438.27

Finding the Fourth Proportional to 1,575.97, 2,356.45 and 1,438.27

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Solution

The fourth proportional to 1,575.97, 2,356.45 and 1,438.27 is: 2,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.97 : 2,356.45 = 1,438.27 : x
  2. Step 2: Convert to fraction form
    1,575.97/2,356.45 = 1,438.27/x
  3. Step 3: Cross multiply
    1,575.97x = 2,356.45 × 1,438.27
  4. Step 4: Simplify right side
    1,575.97x = 3,389,211.34
  5. Step 5: Solve for x
    x = 3,389,211.34/1,575.97
  6. Step 6: Final answer
    x = 2,150.56

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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.