Home / 2,398.20-3,309.46-1,350.26

Finding the Fourth Proportional to 2,398.20, 3,309.46 and 1,350.26

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Solution

The fourth proportional to 2,398.20, 3,309.46 and 1,350.26 is: 1,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.20 : 3,309.46 = 1,350.26 : x
  2. Step 2: Convert to fraction form
    2,398.20/3,309.46 = 1,350.26/x
  3. Step 3: Cross multiply
    2,398.20x = 3,309.46 × 1,350.26
  4. Step 4: Simplify right side
    2,398.20x = 4,468,631.46
  5. Step 5: Solve for x
    x = 4,468,631.46/2,398.20
  6. Step 6: Final answer
    x = 1,863.33

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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.