Home / 2,253.64-3,377.74-1,277.72

Finding the Fourth Proportional to 2,253.64, 3,377.74 and 1,277.72

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Solution

The fourth proportional to 2,253.64, 3,377.74 and 1,277.72 is: 1,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.64 : 3,377.74 = 1,277.72 : x
  2. Step 2: Convert to fraction form
    2,253.64/3,377.74 = 1,277.72/x
  3. Step 3: Cross multiply
    2,253.64x = 3,377.74 × 1,277.72
  4. Step 4: Simplify right side
    2,253.64x = 4,315,805.95
  5. Step 5: Solve for x
    x = 4,315,805.95/2,253.64
  6. Step 6: Final answer
    x = 1,915.04

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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.