Home / 1,534.72-2,299.20-1,361.92

Finding the Fourth Proportional to 1,534.72, 2,299.20 and 1,361.92

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Solution

The fourth proportional to 1,534.72, 2,299.20 and 1,361.92 is: 2,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.72 : 2,299.20 = 1,361.92 : x
  2. Step 2: Convert to fraction form
    1,534.72/2,299.20 = 1,361.92/x
  3. Step 3: Cross multiply
    1,534.72x = 2,299.20 × 1,361.92
  4. Step 4: Simplify right side
    1,534.72x = 3,131,326.46
  5. Step 5: Solve for x
    x = 3,131,326.46/1,534.72
  6. Step 6: Final answer
    x = 2,040.32

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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.