Home / 3,148.38-4,721.49-1,201.14

Finding the Fourth Proportional to 3,148.38, 4,721.49 and 1,201.14

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Solution

The fourth proportional to 3,148.38, 4,721.49 and 1,201.14 is: 1,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.38 : 4,721.49 = 1,201.14 : x
  2. Step 2: Convert to fraction form
    3,148.38/4,721.49 = 1,201.14/x
  3. Step 3: Cross multiply
    3,148.38x = 4,721.49 × 1,201.14
  4. Step 4: Simplify right side
    3,148.38x = 5,671,170.50
  5. Step 5: Solve for x
    x = 5,671,170.50/3,148.38
  6. Step 6: Final answer
    x = 1,801.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.