Home / 3,272.40-4,515.48-1,945.62

Finding the Fourth Proportional to 3,272.40, 4,515.48 and 1,945.62

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Solution

The fourth proportional to 3,272.40, 4,515.48 and 1,945.62 is: 2,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.40 : 4,515.48 = 1,945.62 : x
  2. Step 2: Convert to fraction form
    3,272.40/4,515.48 = 1,945.62/x
  3. Step 3: Cross multiply
    3,272.40x = 4,515.48 × 1,945.62
  4. Step 4: Simplify right side
    3,272.40x = 8,785,408.20
  5. Step 5: Solve for x
    x = 8,785,408.20/3,272.40
  6. Step 6: Final answer
    x = 2,684.70

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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.