Home / 2,675.93-3,691.87-1,555.95

Finding the Fourth Proportional to 2,675.93, 3,691.87 and 1,555.95

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Solution

The fourth proportional to 2,675.93, 3,691.87 and 1,555.95 is: 2,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.93 : 3,691.87 = 1,555.95 : x
  2. Step 2: Convert to fraction form
    2,675.93/3,691.87 = 1,555.95/x
  3. Step 3: Cross multiply
    2,675.93x = 3,691.87 × 1,555.95
  4. Step 4: Simplify right side
    2,675.93x = 5,744,365.13
  5. Step 5: Solve for x
    x = 5,744,365.13/2,675.93
  6. Step 6: Final answer
    x = 2,146.68

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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.