Home / 3,119.01-4,666.37-2,142.15

Finding the Fourth Proportional to 3,119.01, 4,666.37 and 2,142.15

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Solution

The fourth proportional to 3,119.01, 4,666.37 and 2,142.15 is: 3,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.01 : 4,666.37 = 2,142.15 : x
  2. Step 2: Convert to fraction form
    3,119.01/4,666.37 = 2,142.15/x
  3. Step 3: Cross multiply
    3,119.01x = 4,666.37 × 2,142.15
  4. Step 4: Simplify right side
    3,119.01x = 9,996,053.78
  5. Step 5: Solve for x
    x = 9,996,053.78/3,119.01
  6. Step 6: Final answer
    x = 3,204.88

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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.