Home / 4,074.12-5,616.54-2,894.76

Finding the Fourth Proportional to 4,074.12, 5,616.54 and 2,894.76

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Solution

The fourth proportional to 4,074.12, 5,616.54 and 2,894.76 is: 3,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.12 : 5,616.54 = 2,894.76 : x
  2. Step 2: Convert to fraction form
    4,074.12/5,616.54 = 2,894.76/x
  3. Step 3: Cross multiply
    4,074.12x = 5,616.54 × 2,894.76
  4. Step 4: Simplify right side
    4,074.12x = 16,258,535.33
  5. Step 5: Solve for x
    x = 16,258,535.33/4,074.12
  6. Step 6: Final answer
    x = 3,990.69

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Half scale
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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.