Home / 3,098.61-4,646.49-1,342.80

Finding the Fourth Proportional to 3,098.61, 4,646.49 and 1,342.80

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Solution

The fourth proportional to 3,098.61, 4,646.49 and 1,342.80 is: 2,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.61 : 4,646.49 = 1,342.80 : x
  2. Step 2: Convert to fraction form
    3,098.61/4,646.49 = 1,342.80/x
  3. Step 3: Cross multiply
    3,098.61x = 4,646.49 × 1,342.80
  4. Step 4: Simplify right side
    3,098.61x = 6,239,306.77
  5. Step 5: Solve for x
    x = 6,239,306.77/3,098.61
  6. Step 6: Final answer
    x = 2,013.58

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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.