Home / 3,217.40-4,440.18-1,958.25

Finding the Fourth Proportional to 3,217.40, 4,440.18 and 1,958.25

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Solution

The fourth proportional to 3,217.40, 4,440.18 and 1,958.25 is: 2,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.40 : 4,440.18 = 1,958.25 : x
  2. Step 2: Convert to fraction form
    3,217.40/4,440.18 = 1,958.25/x
  3. Step 3: Cross multiply
    3,217.40x = 4,440.18 × 1,958.25
  4. Step 4: Simplify right side
    3,217.40x = 8,695,006.48
  5. Step 5: Solve for x
    x = 8,695,006.48/3,217.40
  6. Step 6: Final answer
    x = 2,702.50

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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.