Home / 2,486.17-3,431.67-1,601.95

Finding the Fourth Proportional to 2,486.17, 3,431.67 and 1,601.95

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Solution

The fourth proportional to 2,486.17, 3,431.67 and 1,601.95 is: 2,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.17 : 3,431.67 = 1,601.95 : x
  2. Step 2: Convert to fraction form
    2,486.17/3,431.67 = 1,601.95/x
  3. Step 3: Cross multiply
    2,486.17x = 3,431.67 × 1,601.95
  4. Step 4: Simplify right side
    2,486.17x = 5,497,363.76
  5. Step 5: Solve for x
    x = 5,497,363.76/2,486.17
  6. Step 6: Final answer
    x = 2,211.18

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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.