Home / 3,612.08-5,405.88-2,295.20

Finding the Fourth Proportional to 3,612.08, 5,405.88 and 2,295.20

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Solution

The fourth proportional to 3,612.08, 5,405.88 and 2,295.20 is: 3,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.08 : 5,405.88 = 2,295.20 : x
  2. Step 2: Convert to fraction form
    3,612.08/5,405.88 = 2,295.20/x
  3. Step 3: Cross multiply
    3,612.08x = 5,405.88 × 2,295.20
  4. Step 4: Simplify right side
    3,612.08x = 12,407,575.78
  5. Step 5: Solve for x
    x = 12,407,575.78/3,612.08
  6. Step 6: Final answer
    x = 3,435.02

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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.