Home / 3,257.16-4,493.70-2,078.76

Finding the Fourth Proportional to 3,257.16, 4,493.70 and 2,078.76

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Solution

The fourth proportional to 3,257.16, 4,493.70 and 2,078.76 is: 2,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.16 : 4,493.70 = 2,078.76 : x
  2. Step 2: Convert to fraction form
    3,257.16/4,493.70 = 2,078.76/x
  3. Step 3: Cross multiply
    3,257.16x = 4,493.70 × 2,078.76
  4. Step 4: Simplify right side
    3,257.16x = 9,341,323.81
  5. Step 5: Solve for x
    x = 9,341,323.81/3,257.16
  6. Step 6: Final answer
    x = 2,867.94

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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.