Home / 2,237.73-3,087.86-1,242.95

Finding the Fourth Proportional to 2,237.73, 3,087.86 and 1,242.95

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Solution

The fourth proportional to 2,237.73, 3,087.86 and 1,242.95 is: 1,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.73 : 3,087.86 = 1,242.95 : x
  2. Step 2: Convert to fraction form
    2,237.73/3,087.86 = 1,242.95/x
  3. Step 3: Cross multiply
    2,237.73x = 3,087.86 × 1,242.95
  4. Step 4: Simplify right side
    2,237.73x = 3,838,058.29
  5. Step 5: Solve for x
    x = 3,838,058.29/2,237.73
  6. Step 6: Final answer
    x = 1,715.16

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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.