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Finding the Fourth Proportional to 2,758.84, 3,807.14 and 1,499.87

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Solution

The fourth proportional to 2,758.84, 3,807.14 and 1,499.87 is: 2,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.84 : 3,807.14 = 1,499.87 : x
  2. Step 2: Convert to fraction form
    2,758.84/3,807.14 = 1,499.87/x
  3. Step 3: Cross multiply
    2,758.84x = 3,807.14 × 1,499.87
  4. Step 4: Simplify right side
    2,758.84x = 5,710,217.09
  5. Step 5: Solve for x
    x = 5,710,217.09/2,758.84
  6. Step 6: Final answer
    x = 2,069.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.