Home / 3,358.89-5,035.10-2,127.69

Finding the Fourth Proportional to 3,358.89, 5,035.10 and 2,127.69

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Solution

The fourth proportional to 3,358.89, 5,035.10 and 2,127.69 is: 3,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.89 : 5,035.10 = 2,127.69 : x
  2. Step 2: Convert to fraction form
    3,358.89/5,035.10 = 2,127.69/x
  3. Step 3: Cross multiply
    3,358.89x = 5,035.10 × 2,127.69
  4. Step 4: Simplify right side
    3,358.89x = 10,713,121.28
  5. Step 5: Solve for x
    x = 10,713,121.28/3,358.89
  6. Step 6: Final answer
    x = 3,189.48

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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.