Home / 2,255.23-3,381.72-1,432.90

Finding the Fourth Proportional to 2,255.23, 3,381.72 and 1,432.90

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Solution

The fourth proportional to 2,255.23, 3,381.72 and 1,432.90 is: 2,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.23 : 3,381.72 = 1,432.90 : x
  2. Step 2: Convert to fraction form
    2,255.23/3,381.72 = 1,432.90/x
  3. Step 3: Cross multiply
    2,255.23x = 3,381.72 × 1,432.90
  4. Step 4: Simplify right side
    2,255.23x = 4,845,666.59
  5. Step 5: Solve for x
    x = 4,845,666.59/2,255.23
  6. Step 6: Final answer
    x = 2,148.64

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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.