Home / 2,260.23-3,119.13-1,265.55

Finding the Fourth Proportional to 2,260.23, 3,119.13 and 1,265.55

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Solution

The fourth proportional to 2,260.23, 3,119.13 and 1,265.55 is: 1,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.23 : 3,119.13 = 1,265.55 : x
  2. Step 2: Convert to fraction form
    2,260.23/3,119.13 = 1,265.55/x
  3. Step 3: Cross multiply
    2,260.23x = 3,119.13 × 1,265.55
  4. Step 4: Simplify right side
    2,260.23x = 3,947,414.97
  5. Step 5: Solve for x
    x = 3,947,414.97/2,260.23
  6. Step 6: Final answer
    x = 1,746.47

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1.5x scale

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.