Home / 2,038.38-3,057.57-1,273.74

Finding the Fourth Proportional to 2,038.38, 3,057.57 and 1,273.74

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Solution

The fourth proportional to 2,038.38, 3,057.57 and 1,273.74 is: 1,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.38 : 3,057.57 = 1,273.74 : x
  2. Step 2: Convert to fraction form
    2,038.38/3,057.57 = 1,273.74/x
  3. Step 3: Cross multiply
    2,038.38x = 3,057.57 × 1,273.74
  4. Step 4: Simplify right side
    2,038.38x = 3,894,549.21
  5. Step 5: Solve for x
    x = 3,894,549.21/2,038.38
  6. Step 6: Final answer
    x = 1,910.61

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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.