Home / 3,394.32-5,091.48-1,445.28

Finding the Fourth Proportional to 3,394.32, 5,091.48 and 1,445.28

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Solution

The fourth proportional to 3,394.32, 5,091.48 and 1,445.28 is: 2,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.32 : 5,091.48 = 1,445.28 : x
  2. Step 2: Convert to fraction form
    3,394.32/5,091.48 = 1,445.28/x
  3. Step 3: Cross multiply
    3,394.32x = 5,091.48 × 1,445.28
  4. Step 4: Simplify right side
    3,394.32x = 7,358,614.21
  5. Step 5: Solve for x
    x = 7,358,614.21/3,394.32
  6. Step 6: Final answer
    x = 2,167.92

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Similar ratio
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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.