Home / 1,447.27-2,170.91-1,160.53

Finding the Fourth Proportional to 1,447.27, 2,170.91 and 1,160.53

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Solution

The fourth proportional to 1,447.27, 2,170.91 and 1,160.53 is: 1,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.27 : 2,170.91 = 1,160.53 : x
  2. Step 2: Convert to fraction form
    1,447.27/2,170.91 = 1,160.53/x
  3. Step 3: Cross multiply
    1,447.27x = 2,170.91 × 1,160.53
  4. Step 4: Simplify right side
    1,447.27x = 2,519,406.18
  5. Step 5: Solve for x
    x = 2,519,406.18/1,447.27
  6. Step 6: Final answer
    x = 1,740.80

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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.