Home / 3,326.40-4,588.56-1,928.96

Finding the Fourth Proportional to 3,326.40, 4,588.56 and 1,928.96

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Solution

The fourth proportional to 3,326.40, 4,588.56 and 1,928.96 is: 2,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.40 : 4,588.56 = 1,928.96 : x
  2. Step 2: Convert to fraction form
    3,326.40/4,588.56 = 1,928.96/x
  3. Step 3: Cross multiply
    3,326.40x = 4,588.56 × 1,928.96
  4. Step 4: Simplify right side
    3,326.40x = 8,851,148.70
  5. Step 5: Solve for x
    x = 8,851,148.70/3,326.40
  6. Step 6: Final answer
    x = 2,660.88

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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.