Home / 3,217.60-4,435.16-2,627.12

Finding the Fourth Proportional to 3,217.60, 4,435.16 and 2,627.12

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Solution

The fourth proportional to 3,217.60, 4,435.16 and 2,627.12 is: 3,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.60 : 4,435.16 = 2,627.12 : x
  2. Step 2: Convert to fraction form
    3,217.60/4,435.16 = 2,627.12/x
  3. Step 3: Cross multiply
    3,217.60x = 4,435.16 × 2,627.12
  4. Step 4: Simplify right side
    3,217.60x = 11,651,697.54
  5. Step 5: Solve for x
    x = 11,651,697.54/3,217.60
  6. Step 6: Final answer
    x = 3,621.24

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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.