Home / 2,260.55-3,119.56-1,265.83

Finding the Fourth Proportional to 2,260.55, 3,119.56 and 1,265.83

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Solution

The fourth proportional to 2,260.55, 3,119.56 and 1,265.83 is: 1,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.55 : 3,119.56 = 1,265.83 : x
  2. Step 2: Convert to fraction form
    2,260.55/3,119.56 = 1,265.83/x
  3. Step 3: Cross multiply
    2,260.55x = 3,119.56 × 1,265.83
  4. Step 4: Simplify right side
    2,260.55x = 3,948,832.63
  5. Step 5: Solve for x
    x = 3,948,832.63/2,260.55
  6. Step 6: Final answer
    x = 1,746.85

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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.