Home / 2,240.13-3,091.79-1,295.82

Finding the Fourth Proportional to 2,240.13, 3,091.79 and 1,295.82

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Solution

The fourth proportional to 2,240.13, 3,091.79 and 1,295.82 is: 1,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.13 : 3,091.79 = 1,295.82 : x
  2. Step 2: Convert to fraction form
    2,240.13/3,091.79 = 1,295.82/x
  3. Step 3: Cross multiply
    2,240.13x = 3,091.79 × 1,295.82
  4. Step 4: Simplify right side
    2,240.13x = 4,006,403.32
  5. Step 5: Solve for x
    x = 4,006,403.32/2,240.13
  6. Step 6: Final answer
    x = 1,788.47

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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.