Home / 2,350.80-3,520.57-1,308.21

Finding the Fourth Proportional to 2,350.80, 3,520.57 and 1,308.21

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Solution

The fourth proportional to 2,350.80, 3,520.57 and 1,308.21 is: 1,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.80 : 3,520.57 = 1,308.21 : x
  2. Step 2: Convert to fraction form
    2,350.80/3,520.57 = 1,308.21/x
  3. Step 3: Cross multiply
    2,350.80x = 3,520.57 × 1,308.21
  4. Step 4: Simplify right side
    2,350.80x = 4,605,644.88
  5. Step 5: Solve for x
    x = 4,605,644.88/2,350.80
  6. Step 6: Final answer
    x = 1,959.18

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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.