Home / 2,209.27-3,045.64-1,579.57

Finding the Fourth Proportional to 2,209.27, 3,045.64 and 1,579.57

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Solution

The fourth proportional to 2,209.27, 3,045.64 and 1,579.57 is: 2,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.27 : 3,045.64 = 1,579.57 : x
  2. Step 2: Convert to fraction form
    2,209.27/3,045.64 = 1,579.57/x
  3. Step 3: Cross multiply
    2,209.27x = 3,045.64 × 1,579.57
  4. Step 4: Simplify right side
    2,209.27x = 4,810,792.97
  5. Step 5: Solve for x
    x = 4,810,792.97/2,209.27
  6. Step 6: Final answer
    x = 2,177.55

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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.