Home / 3,150.40-4,340.05-2,204.43

Finding the Fourth Proportional to 3,150.40, 4,340.05 and 2,204.43

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Solution

The fourth proportional to 3,150.40, 4,340.05 and 2,204.43 is: 3,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.40 : 4,340.05 = 2,204.43 : x
  2. Step 2: Convert to fraction form
    3,150.40/4,340.05 = 2,204.43/x
  3. Step 3: Cross multiply
    3,150.40x = 4,340.05 × 2,204.43
  4. Step 4: Simplify right side
    3,150.40x = 9,567,336.42
  5. Step 5: Solve for x
    x = 9,567,336.42/3,150.40
  6. Step 6: Final answer
    x = 3,036.86

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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.