Home / 2,069.88-2,856.48-1,125.73

Finding the Fourth Proportional to 2,069.88, 2,856.48 and 1,125.73

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Solution

The fourth proportional to 2,069.88, 2,856.48 and 1,125.73 is: 1,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.88 : 2,856.48 = 1,125.73 : x
  2. Step 2: Convert to fraction form
    2,069.88/2,856.48 = 1,125.73/x
  3. Step 3: Cross multiply
    2,069.88x = 2,856.48 × 1,125.73
  4. Step 4: Simplify right side
    2,069.88x = 3,215,630.91
  5. Step 5: Solve for x
    x = 3,215,630.91/2,069.88
  6. Step 6: Final answer
    x = 1,553.54

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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.