Home / 2,344.75-3,518.20-1,191.31

Finding the Fourth Proportional to 2,344.75, 3,518.20 and 1,191.31

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Solution

The fourth proportional to 2,344.75, 3,518.20 and 1,191.31 is: 1,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.75 : 3,518.20 = 1,191.31 : x
  2. Step 2: Convert to fraction form
    2,344.75/3,518.20 = 1,191.31/x
  3. Step 3: Cross multiply
    2,344.75x = 3,518.20 × 1,191.31
  4. Step 4: Simplify right side
    2,344.75x = 4,191,259.54
  5. Step 5: Solve for x
    x = 4,191,259.54/2,344.75
  6. Step 6: Final answer
    x = 1,787.51

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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.