Home / 1,847.78-2,549.49-1,148.66

Finding the Fourth Proportional to 1,847.78, 2,549.49 and 1,148.66

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Solution

The fourth proportional to 1,847.78, 2,549.49 and 1,148.66 is: 1,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.78 : 2,549.49 = 1,148.66 : x
  2. Step 2: Convert to fraction form
    1,847.78/2,549.49 = 1,148.66/x
  3. Step 3: Cross multiply
    1,847.78x = 2,549.49 × 1,148.66
  4. Step 4: Simplify right side
    1,847.78x = 2,928,497.18
  5. Step 5: Solve for x
    x = 2,928,497.18/1,847.78
  6. Step 6: Final answer
    x = 1,584.87

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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.