Home / 3,543.20-5,341.32-3,305.32

Finding the Fourth Proportional to 3,543.20, 5,341.32 and 3,305.32

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Solution

The fourth proportional to 3,543.20, 5,341.32 and 3,305.32 is: 4,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.20 : 5,341.32 = 3,305.32 : x
  2. Step 2: Convert to fraction form
    3,543.20/5,341.32 = 3,305.32/x
  3. Step 3: Cross multiply
    3,543.20x = 5,341.32 × 3,305.32
  4. Step 4: Simplify right side
    3,543.20x = 17,654,771.82
  5. Step 5: Solve for x
    x = 17,654,771.82/3,543.20
  6. Step 6: Final answer
    x = 4,982.72

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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.