Home / 2,927.38-4,039.75-1,601.11

Finding the Fourth Proportional to 2,927.38, 4,039.75 and 1,601.11

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Solution

The fourth proportional to 2,927.38, 4,039.75 and 1,601.11 is: 2,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.38 : 4,039.75 = 1,601.11 : x
  2. Step 2: Convert to fraction form
    2,927.38/4,039.75 = 1,601.11/x
  3. Step 3: Cross multiply
    2,927.38x = 4,039.75 × 1,601.11
  4. Step 4: Simplify right side
    2,927.38x = 6,468,084.12
  5. Step 5: Solve for x
    x = 6,468,084.12/2,927.38
  6. Step 6: Final answer
    x = 2,209.51

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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.