Home / 3,013.98-4,159.24-1,687.80

Finding the Fourth Proportional to 3,013.98, 4,159.24 and 1,687.80

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Solution

The fourth proportional to 3,013.98, 4,159.24 and 1,687.80 is: 2,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.98 : 4,159.24 = 1,687.80 : x
  2. Step 2: Convert to fraction form
    3,013.98/4,159.24 = 1,687.80/x
  3. Step 3: Cross multiply
    3,013.98x = 4,159.24 × 1,687.80
  4. Step 4: Simplify right side
    3,013.98x = 7,019,965.27
  5. Step 5: Solve for x
    x = 7,019,965.27/3,013.98
  6. Step 6: Final answer
    x = 2,329.13

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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.