Home / 3,311.60-4,933.70-3,154.86

Finding the Fourth Proportional to 3,311.60, 4,933.70 and 3,154.86

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Solution

The fourth proportional to 3,311.60, 4,933.70 and 3,154.86 is: 4,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.60 : 4,933.70 = 3,154.86 : x
  2. Step 2: Convert to fraction form
    3,311.60/4,933.70 = 3,154.86/x
  3. Step 3: Cross multiply
    3,311.60x = 4,933.70 × 3,154.86
  4. Step 4: Simplify right side
    3,311.60x = 15,565,140.67
  5. Step 5: Solve for x
    x = 15,565,140.67/3,311.60
  6. Step 6: Final answer
    x = 4,700.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.