Home / 3,148.38-4,344.77-1,732.09

Finding the Fourth Proportional to 3,148.38, 4,344.77 and 1,732.09

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Solution

The fourth proportional to 3,148.38, 4,344.77 and 1,732.09 is: 2,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.38 : 4,344.77 = 1,732.09 : x
  2. Step 2: Convert to fraction form
    3,148.38/4,344.77 = 1,732.09/x
  3. Step 3: Cross multiply
    3,148.38x = 4,344.77 × 1,732.09
  4. Step 4: Simplify right side
    3,148.38x = 7,525,532.67
  5. Step 5: Solve for x
    x = 7,525,532.67/3,148.38
  6. Step 6: Final answer
    x = 2,390.29

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1.5x scale

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.