Home / 2,445.30-3,667.19-885.11

Finding the Fourth Proportional to 2,445.30, 3,667.19 and 885.11

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Solution

The fourth proportional to 2,445.30, 3,667.19 and 885.11 is: 1,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.30 : 3,667.19 = 885.11 : x
  2. Step 2: Convert to fraction form
    2,445.30/3,667.19 = 885.11/x
  3. Step 3: Cross multiply
    2,445.30x = 3,667.19 × 885.11
  4. Step 4: Simplify right side
    2,445.30x = 3,245,843.78
  5. Step 5: Solve for x
    x = 3,245,843.78/2,445.30
  6. Step 6: Final answer
    x = 1,327.38

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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.