Home / 3,235.60-4,853.40-3,211.30

Finding the Fourth Proportional to 3,235.60, 4,853.40 and 3,211.30

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Solution

The fourth proportional to 3,235.60, 4,853.40 and 3,211.30 is: 4,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.60 : 4,853.40 = 3,211.30 : x
  2. Step 2: Convert to fraction form
    3,235.60/4,853.40 = 3,211.30/x
  3. Step 3: Cross multiply
    3,235.60x = 4,853.40 × 3,211.30
  4. Step 4: Simplify right side
    3,235.60x = 15,585,723.42
  5. Step 5: Solve for x
    x = 15,585,723.42/3,235.60
  6. Step 6: Final answer
    x = 4,816.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.