Home / 2,725.47-4,091.78-1,616.92

Finding the Fourth Proportional to 2,725.47, 4,091.78 and 1,616.92

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Solution

The fourth proportional to 2,725.47, 4,091.78 and 1,616.92 is: 2,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.47 : 4,091.78 = 1,616.92 : x
  2. Step 2: Convert to fraction form
    2,725.47/4,091.78 = 1,616.92/x
  3. Step 3: Cross multiply
    2,725.47x = 4,091.78 × 1,616.92
  4. Step 4: Simplify right side
    2,725.47x = 6,616,074.73
  5. Step 5: Solve for x
    x = 6,616,074.73/2,725.47
  6. Step 6: Final answer
    x = 2,427.50

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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.