Home / 3,211.19-4,431.60-1,952.03

Finding the Fourth Proportional to 3,211.19, 4,431.60 and 1,952.03

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Solution

The fourth proportional to 3,211.19, 4,431.60 and 1,952.03 is: 2,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.19 : 4,431.60 = 1,952.03 : x
  2. Step 2: Convert to fraction form
    3,211.19/4,431.60 = 1,952.03/x
  3. Step 3: Cross multiply
    3,211.19x = 4,431.60 × 1,952.03
  4. Step 4: Simplify right side
    3,211.19x = 8,650,642.86
  5. Step 5: Solve for x
    x = 8,650,642.86/3,211.19
  6. Step 6: Final answer
    x = 2,693.91

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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.