Home / 2,575.73-3,856.66-2,119.02

Finding the Fourth Proportional to 2,575.73, 3,856.66 and 2,119.02

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Solution

The fourth proportional to 2,575.73, 3,856.66 and 2,119.02 is: 3,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.73 : 3,856.66 = 2,119.02 : x
  2. Step 2: Convert to fraction form
    2,575.73/3,856.66 = 2,119.02/x
  3. Step 3: Cross multiply
    2,575.73x = 3,856.66 × 2,119.02
  4. Step 4: Simplify right side
    2,575.73x = 8,172,320.39
  5. Step 5: Solve for x
    x = 8,172,320.39/2,575.73
  6. Step 6: Final answer
    x = 3,172.82

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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.