Home / 2,260.62-3,119.65-1,265.91

Finding the Fourth Proportional to 2,260.62, 3,119.65 and 1,265.91

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Solution

The fourth proportional to 2,260.62, 3,119.65 and 1,265.91 is: 1,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.62 : 3,119.65 = 1,265.91 : x
  2. Step 2: Convert to fraction form
    2,260.62/3,119.65 = 1,265.91/x
  3. Step 3: Cross multiply
    2,260.62x = 3,119.65 × 1,265.91
  4. Step 4: Simplify right side
    2,260.62x = 3,949,196.13
  5. Step 5: Solve for x
    x = 3,949,196.13/2,260.62
  6. Step 6: Final answer
    x = 1,746.95

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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.