Home / 3,013.93-4,159.22-1,687.95

Finding the Fourth Proportional to 3,013.93, 4,159.22 and 1,687.95

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Solution

The fourth proportional to 3,013.93, 4,159.22 and 1,687.95 is: 2,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.93 : 4,159.22 = 1,687.95 : x
  2. Step 2: Convert to fraction form
    3,013.93/4,159.22 = 1,687.95/x
  3. Step 3: Cross multiply
    3,013.93x = 4,159.22 × 1,687.95
  4. Step 4: Simplify right side
    3,013.93x = 7,020,555.40
  5. Step 5: Solve for x
    x = 7,020,555.40/3,013.93
  6. Step 6: Final answer
    x = 2,329.37

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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.