Home / 3,149.25-4,345.97-1,752

Finding the Fourth Proportional to 3,149.25, 4,345.97 and 1,752

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Solution

The fourth proportional to 3,149.25, 4,345.97 and 1,752 is: 2,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.25 : 4,345.97 = 1,752 : x
  2. Step 2: Convert to fraction form
    3,149.25/4,345.97 = 1,752/x
  3. Step 3: Cross multiply
    3,149.25x = 4,345.97 × 1,752
  4. Step 4: Simplify right side
    3,149.25x = 7,614,130.68
  5. Step 5: Solve for x
    x = 7,614,130.68/3,149.25
  6. Step 6: Final answer
    x = 2,417.76

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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.