Home / 2,265.71-3,126.69-1,479.75

Finding the Fourth Proportional to 2,265.71, 3,126.69 and 1,479.75

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Solution

The fourth proportional to 2,265.71, 3,126.69 and 1,479.75 is: 2,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.71 : 3,126.69 = 1,479.75 : x
  2. Step 2: Convert to fraction form
    2,265.71/3,126.69 = 1,479.75/x
  3. Step 3: Cross multiply
    2,265.71x = 3,126.69 × 1,479.75
  4. Step 4: Simplify right side
    2,265.71x = 4,626,719.53
  5. Step 5: Solve for x
    x = 4,626,719.53/2,265.71
  6. Step 6: Final answer
    x = 2,042.07

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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.