Home / 2,512.85-3,470.45-1,959.89

Finding the Fourth Proportional to 2,512.85, 3,470.45 and 1,959.89

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Solution

The fourth proportional to 2,512.85, 3,470.45 and 1,959.89 is: 2,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.85 : 3,470.45 = 1,959.89 : x
  2. Step 2: Convert to fraction form
    2,512.85/3,470.45 = 1,959.89/x
  3. Step 3: Cross multiply
    2,512.85x = 3,470.45 × 1,959.89
  4. Step 4: Simplify right side
    2,512.85x = 6,801,690.45
  5. Step 5: Solve for x
    x = 6,801,690.45/2,512.85
  6. Step 6: Final answer
    x = 2,706.76

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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.