Home / 2,069.27-2,855.57-1,125.05

Finding the Fourth Proportional to 2,069.27, 2,855.57 and 1,125.05

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Solution

The fourth proportional to 2,069.27, 2,855.57 and 1,125.05 is: 1,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.27 : 2,855.57 = 1,125.05 : x
  2. Step 2: Convert to fraction form
    2,069.27/2,855.57 = 1,125.05/x
  3. Step 3: Cross multiply
    2,069.27x = 2,855.57 × 1,125.05
  4. Step 4: Simplify right side
    2,069.27x = 3,212,660.79
  5. Step 5: Solve for x
    x = 3,212,660.79/2,069.27
  6. Step 6: Final answer
    x = 1,552.56

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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.