Home / 3,035.20-4,543.20-2,171.20

Finding the Fourth Proportional to 3,035.20, 4,543.20 and 2,171.20

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Solution

The fourth proportional to 3,035.20, 4,543.20 and 2,171.20 is: 3,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.20 : 4,543.20 = 2,171.20 : x
  2. Step 2: Convert to fraction form
    3,035.20/4,543.20 = 2,171.20/x
  3. Step 3: Cross multiply
    3,035.20x = 4,543.20 × 2,171.20
  4. Step 4: Simplify right side
    3,035.20x = 9,864,195.84
  5. Step 5: Solve for x
    x = 9,864,195.84/3,035.20
  6. Step 6: Final answer
    x = 3,249.93

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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.