Home / 3,211.66-4,432.10-1,795.42

Finding the Fourth Proportional to 3,211.66, 4,432.10 and 1,795.42

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Solution

The fourth proportional to 3,211.66, 4,432.10 and 1,795.42 is: 2,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.66 : 4,432.10 = 1,795.42 : x
  2. Step 2: Convert to fraction form
    3,211.66/4,432.10 = 1,795.42/x
  3. Step 3: Cross multiply
    3,211.66x = 4,432.10 × 1,795.42
  4. Step 4: Simplify right side
    3,211.66x = 7,957,480.98
  5. Step 5: Solve for x
    x = 7,957,480.98/3,211.66
  6. Step 6: Final answer
    x = 2,477.68

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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.