Home / 3,005.64-4,147.20-1,747.44

Finding the Fourth Proportional to 3,005.64, 4,147.20 and 1,747.44

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Solution

The fourth proportional to 3,005.64, 4,147.20 and 1,747.44 is: 2,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.64 : 4,147.20 = 1,747.44 : x
  2. Step 2: Convert to fraction form
    3,005.64/4,147.20 = 1,747.44/x
  3. Step 3: Cross multiply
    3,005.64x = 4,147.20 × 1,747.44
  4. Step 4: Simplify right side
    3,005.64x = 7,246,983.17
  5. Step 5: Solve for x
    x = 7,246,983.17/3,005.64
  6. Step 6: Final answer
    x = 2,411.13

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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.