Home / 3,241.12-4,864.34-1,855.12

Finding the Fourth Proportional to 3,241.12, 4,864.34 and 1,855.12

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Solution

The fourth proportional to 3,241.12, 4,864.34 and 1,855.12 is: 2,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.12 : 4,864.34 = 1,855.12 : x
  2. Step 2: Convert to fraction form
    3,241.12/4,864.34 = 1,855.12/x
  3. Step 3: Cross multiply
    3,241.12x = 4,864.34 × 1,855.12
  4. Step 4: Simplify right side
    3,241.12x = 9,023,934.42
  5. Step 5: Solve for x
    x = 9,023,934.42/3,241.12
  6. Step 6: Final answer
    x = 2,784.20

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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.