Home / 3,046.47-4,204.11-1,720.14

Finding the Fourth Proportional to 3,046.47, 4,204.11 and 1,720.14

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Solution

The fourth proportional to 3,046.47, 4,204.11 and 1,720.14 is: 2,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.47 : 4,204.11 = 1,720.14 : x
  2. Step 2: Convert to fraction form
    3,046.47/4,204.11 = 1,720.14/x
  3. Step 3: Cross multiply
    3,046.47x = 4,204.11 × 1,720.14
  4. Step 4: Simplify right side
    3,046.47x = 7,231,657.78
  5. Step 5: Solve for x
    x = 7,231,657.78/3,046.47
  6. Step 6: Final answer
    x = 2,373.78

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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.