Home / 1,418.76-2,125.71-1,144.98

Finding the Fourth Proportional to 1,418.76, 2,125.71 and 1,144.98

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Solution

The fourth proportional to 1,418.76, 2,125.71 and 1,144.98 is: 1,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.76 : 2,125.71 = 1,144.98 : x
  2. Step 2: Convert to fraction form
    1,418.76/2,125.71 = 1,144.98/x
  3. Step 3: Cross multiply
    1,418.76x = 2,125.71 × 1,144.98
  4. Step 4: Simplify right side
    1,418.76x = 2,433,895.44
  5. Step 5: Solve for x
    x = 2,433,895.44/1,418.76
  6. Step 6: Final answer
    x = 1,715.51

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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.