Home / 2,252.38-3,377.43-1,315.63

Finding the Fourth Proportional to 2,252.38, 3,377.43 and 1,315.63

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Solution

The fourth proportional to 2,252.38, 3,377.43 and 1,315.63 is: 1,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.38 : 3,377.43 = 1,315.63 : x
  2. Step 2: Convert to fraction form
    2,252.38/3,377.43 = 1,315.63/x
  3. Step 3: Cross multiply
    2,252.38x = 3,377.43 × 1,315.63
  4. Step 4: Simplify right side
    2,252.38x = 4,443,448.23
  5. Step 5: Solve for x
    x = 4,443,448.23/2,252.38
  6. Step 6: Final answer
    x = 1,972.78

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1.5x scale

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.