Home / 2,256.41-3,381.53-1,269.71

Finding the Fourth Proportional to 2,256.41, 3,381.53 and 1,269.71

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Solution

The fourth proportional to 2,256.41, 3,381.53 and 1,269.71 is: 1,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.41 : 3,381.53 = 1,269.71 : x
  2. Step 2: Convert to fraction form
    2,256.41/3,381.53 = 1,269.71/x
  3. Step 3: Cross multiply
    2,256.41x = 3,381.53 × 1,269.71
  4. Step 4: Simplify right side
    2,256.41x = 4,293,539.20
  5. Step 5: Solve for x
    x = 4,293,539.20/2,256.41
  6. Step 6: Final answer
    x = 1,902.82

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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.