Home / 2,883.20-4,322.70-1,008.79

Finding the Fourth Proportional to 2,883.20, 4,322.70 and 1,008.79

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Solution

The fourth proportional to 2,883.20, 4,322.70 and 1,008.79 is: 1,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.20 : 4,322.70 = 1,008.79 : x
  2. Step 2: Convert to fraction form
    2,883.20/4,322.70 = 1,008.79/x
  3. Step 3: Cross multiply
    2,883.20x = 4,322.70 × 1,008.79
  4. Step 4: Simplify right side
    2,883.20x = 4,360,685.73
  5. Step 5: Solve for x
    x = 4,360,685.73/2,883.20
  6. Step 6: Final answer
    x = 1,512.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.