Home / 3,403.22-5,135.48-3,281.18

Finding the Fourth Proportional to 3,403.22, 5,135.48 and 3,281.18

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Solution

The fourth proportional to 3,403.22, 5,135.48 and 3,281.18 is: 4,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.22 : 5,135.48 = 3,281.18 : x
  2. Step 2: Convert to fraction form
    3,403.22/5,135.48 = 3,281.18/x
  3. Step 3: Cross multiply
    3,403.22x = 5,135.48 × 3,281.18
  4. Step 4: Simplify right side
    3,403.22x = 16,850,434.27
  5. Step 5: Solve for x
    x = 16,850,434.27/3,403.22
  6. Step 6: Final answer
    x = 4,951.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.