Home / 2,377.05-3,277.97-1,538.19

Finding the Fourth Proportional to 2,377.05, 3,277.97 and 1,538.19

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Solution

The fourth proportional to 2,377.05, 3,277.97 and 1,538.19 is: 2,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.05 : 3,277.97 = 1,538.19 : x
  2. Step 2: Convert to fraction form
    2,377.05/3,277.97 = 1,538.19/x
  3. Step 3: Cross multiply
    2,377.05x = 3,277.97 × 1,538.19
  4. Step 4: Simplify right side
    2,377.05x = 5,042,138.75
  5. Step 5: Solve for x
    x = 5,042,138.75/2,377.05
  6. Step 6: Final answer
    x = 2,121.18

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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.