Home / 2,445.23-3,667.85-885.44

Finding the Fourth Proportional to 2,445.23, 3,667.85 and 885.44

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Solution

The fourth proportional to 2,445.23, 3,667.85 and 885.44 is: 1,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.23 : 3,667.85 = 885.44 : x
  2. Step 2: Convert to fraction form
    2,445.23/3,667.85 = 885.44/x
  3. Step 3: Cross multiply
    2,445.23x = 3,667.85 × 885.44
  4. Step 4: Simplify right side
    2,445.23x = 3,247,656.68
  5. Step 5: Solve for x
    x = 3,247,656.68/2,445.23
  6. Step 6: Final answer
    x = 1,328.16

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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.