Home / 4,209.20-6,311.72-2,454.84

Finding the Fourth Proportional to 4,209.20, 6,311.72 and 2,454.84

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Solution

The fourth proportional to 4,209.20, 6,311.72 and 2,454.84 is: 3,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.20 : 6,311.72 = 2,454.84 : x
  2. Step 2: Convert to fraction form
    4,209.20/6,311.72 = 2,454.84/x
  3. Step 3: Cross multiply
    4,209.20x = 6,311.72 × 2,454.84
  4. Step 4: Simplify right side
    4,209.20x = 15,494,268.86
  5. Step 5: Solve for x
    x = 15,494,268.86/4,209.20
  6. Step 6: Final answer
    x = 3,681.05

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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.