Home / 3,338.20-4,611.10-2,561.84

Finding the Fourth Proportional to 3,338.20, 4,611.10 and 2,561.84

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Solution

The fourth proportional to 3,338.20, 4,611.10 and 2,561.84 is: 3,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.20 : 4,611.10 = 2,561.84 : x
  2. Step 2: Convert to fraction form
    3,338.20/4,611.10 = 2,561.84/x
  3. Step 3: Cross multiply
    3,338.20x = 4,611.10 × 2,561.84
  4. Step 4: Simplify right side
    3,338.20x = 11,812,900.42
  5. Step 5: Solve for x
    x = 11,812,900.42/3,338.20
  6. Step 6: Final answer
    x = 3,538.70

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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.