Home / 3,470.31-4,788.45-2,144.88

Finding the Fourth Proportional to 3,470.31, 4,788.45 and 2,144.88

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Solution

The fourth proportional to 3,470.31, 4,788.45 and 2,144.88 is: 2,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.31 : 4,788.45 = 2,144.88 : x
  2. Step 2: Convert to fraction form
    3,470.31/4,788.45 = 2,144.88/x
  3. Step 3: Cross multiply
    3,470.31x = 4,788.45 × 2,144.88
  4. Step 4: Simplify right side
    3,470.31x = 10,270,650.64
  5. Step 5: Solve for x
    x = 10,270,650.64/3,470.31
  6. Step 6: Final answer
    x = 2,959.58

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1.5x scale

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.