Home / 2,479.46-3,422.38-1,535.54

Finding the Fourth Proportional to 2,479.46, 3,422.38 and 1,535.54

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Solution

The fourth proportional to 2,479.46, 3,422.38 and 1,535.54 is: 2,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.46 : 3,422.38 = 1,535.54 : x
  2. Step 2: Convert to fraction form
    2,479.46/3,422.38 = 1,535.54/x
  3. Step 3: Cross multiply
    2,479.46x = 3,422.38 × 1,535.54
  4. Step 4: Simplify right side
    2,479.46x = 5,255,201.39
  5. Step 5: Solve for x
    x = 5,255,201.39/2,479.46
  6. Step 6: Final answer
    x = 2,119.49

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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.