Home / 2,260.46-3,119.74-1,265.81

Finding the Fourth Proportional to 2,260.46, 3,119.74 and 1,265.81

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Solution

The fourth proportional to 2,260.46, 3,119.74 and 1,265.81 is: 1,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.46 : 3,119.74 = 1,265.81 : x
  2. Step 2: Convert to fraction form
    2,260.46/3,119.74 = 1,265.81/x
  3. Step 3: Cross multiply
    2,260.46x = 3,119.74 × 1,265.81
  4. Step 4: Simplify right side
    2,260.46x = 3,948,979.33
  5. Step 5: Solve for x
    x = 3,948,979.33/2,260.46
  6. Step 6: Final answer
    x = 1,746.98

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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.