Home / 3,217.29-4,440.56-1,958.75

Finding the Fourth Proportional to 3,217.29, 4,440.56 and 1,958.75

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Solution

The fourth proportional to 3,217.29, 4,440.56 and 1,958.75 is: 2,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.29 : 4,440.56 = 1,958.75 : x
  2. Step 2: Convert to fraction form
    3,217.29/4,440.56 = 1,958.75/x
  3. Step 3: Cross multiply
    3,217.29x = 4,440.56 × 1,958.75
  4. Step 4: Simplify right side
    3,217.29x = 8,697,937.11
  5. Step 5: Solve for x
    x = 8,697,937.11/3,217.29
  6. Step 6: Final answer
    x = 2,703.50

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Half scale
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Double 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.