Home / 3,002.11-4,142.68-1,807.16

Finding the Fourth Proportional to 3,002.11, 4,142.68 and 1,807.16

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Solution

The fourth proportional to 3,002.11, 4,142.68 and 1,807.16 is: 2,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.11 : 4,142.68 = 1,807.16 : x
  2. Step 2: Convert to fraction form
    3,002.11/4,142.68 = 1,807.16/x
  3. Step 3: Cross multiply
    3,002.11x = 4,142.68 × 1,807.16
  4. Step 4: Simplify right side
    3,002.11x = 7,486,460.36
  5. Step 5: Solve for x
    x = 7,486,460.36/3,002.11
  6. Step 6: Final answer
    x = 2,493.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.