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Finding the Fourth Proportional to 2,501.19, 3,752.19 and 769.82

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Solution

The fourth proportional to 2,501.19, 3,752.19 and 769.82 is: 1,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.19 : 3,752.19 = 769.82 : x
  2. Step 2: Convert to fraction form
    2,501.19/3,752.19 = 769.82/x
  3. Step 3: Cross multiply
    2,501.19x = 3,752.19 × 769.82
  4. Step 4: Simplify right side
    2,501.19x = 2,888,492.14
  5. Step 5: Solve for x
    x = 2,888,492.14/2,501.19
  6. Step 6: Final answer
    x = 1,154.85

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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.