Home / 3,211.24-4,430.94-1,952.04

Finding the Fourth Proportional to 3,211.24, 4,430.94 and 1,952.04

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Solution

The fourth proportional to 3,211.24, 4,430.94 and 1,952.04 is: 2,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.24 : 4,430.94 = 1,952.04 : x
  2. Step 2: Convert to fraction form
    3,211.24/4,430.94 = 1,952.04/x
  3. Step 3: Cross multiply
    3,211.24x = 4,430.94 × 1,952.04
  4. Step 4: Simplify right side
    3,211.24x = 8,649,372.12
  5. Step 5: Solve for x
    x = 8,649,372.12/3,211.24
  6. Step 6: Final answer
    x = 2,693.47

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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.