Home / 2,074.74-3,107.33-1,251.20

Finding the Fourth Proportional to 2,074.74, 3,107.33 and 1,251.20

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Solution

The fourth proportional to 2,074.74, 3,107.33 and 1,251.20 is: 1,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.74 : 3,107.33 = 1,251.20 : x
  2. Step 2: Convert to fraction form
    2,074.74/3,107.33 = 1,251.20/x
  3. Step 3: Cross multiply
    2,074.74x = 3,107.33 × 1,251.20
  4. Step 4: Simplify right side
    2,074.74x = 3,887,869.50
  5. Step 5: Solve for x
    x = 3,887,869.50/2,074.74
  6. Step 6: Final answer
    x = 1,873.91

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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.