Home / 3,098.66-4,648.08-1,124.69

Finding the Fourth Proportional to 3,098.66, 4,648.08 and 1,124.69

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Solution

The fourth proportional to 3,098.66, 4,648.08 and 1,124.69 is: 1,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.66 : 4,648.08 = 1,124.69 : x
  2. Step 2: Convert to fraction form
    3,098.66/4,648.08 = 1,124.69/x
  3. Step 3: Cross multiply
    3,098.66x = 4,648.08 × 1,124.69
  4. Step 4: Simplify right side
    3,098.66x = 5,227,630.07
  5. Step 5: Solve for x
    x = 5,227,630.07/3,098.66
  6. Step 6: Final answer
    x = 1,687.06

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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.