Home / 2,260.65-3,119.54-1,265.92

Finding the Fourth Proportional to 2,260.65, 3,119.54 and 1,265.92

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Solution

The fourth proportional to 2,260.65, 3,119.54 and 1,265.92 is: 1,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.65 : 3,119.54 = 1,265.92 : x
  2. Step 2: Convert to fraction form
    2,260.65/3,119.54 = 1,265.92/x
  3. Step 3: Cross multiply
    2,260.65x = 3,119.54 × 1,265.92
  4. Step 4: Simplify right side
    2,260.65x = 3,949,088.08
  5. Step 5: Solve for x
    x = 3,949,088.08/2,260.65
  6. Step 6: Final answer
    x = 1,746.88

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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.