Home / 3,191.20-4,784.84-1,241.13

Finding the Fourth Proportional to 3,191.20, 4,784.84 and 1,241.13

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Solution

The fourth proportional to 3,191.20, 4,784.84 and 1,241.13 is: 1,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.20 : 4,784.84 = 1,241.13 : x
  2. Step 2: Convert to fraction form
    3,191.20/4,784.84 = 1,241.13/x
  3. Step 3: Cross multiply
    3,191.20x = 4,784.84 × 1,241.13
  4. Step 4: Simplify right side
    3,191.20x = 5,938,608.47
  5. Step 5: Solve for x
    x = 5,938,608.47/3,191.20
  6. Step 6: Final answer
    x = 1,860.93

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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.