Home / 3,209.72-4,426.98-2,328.44

Finding the Fourth Proportional to 3,209.72, 4,426.98 and 2,328.44

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Solution

The fourth proportional to 3,209.72, 4,426.98 and 2,328.44 is: 3,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.72 : 4,426.98 = 2,328.44 : x
  2. Step 2: Convert to fraction form
    3,209.72/4,426.98 = 2,328.44/x
  3. Step 3: Cross multiply
    3,209.72x = 4,426.98 × 2,328.44
  4. Step 4: Simplify right side
    3,209.72x = 10,307,957.31
  5. Step 5: Solve for x
    x = 10,307,957.31/3,209.72
  6. Step 6: Final answer
    x = 3,211.48

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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.