Home / 2,398.85-3,309.64-1,350.71

Finding the Fourth Proportional to 2,398.85, 3,309.64 and 1,350.71

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Solution

The fourth proportional to 2,398.85, 3,309.64 and 1,350.71 is: 1,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.85 : 3,309.64 = 1,350.71 : x
  2. Step 2: Convert to fraction form
    2,398.85/3,309.64 = 1,350.71/x
  3. Step 3: Cross multiply
    2,398.85x = 3,309.64 × 1,350.71
  4. Step 4: Simplify right side
    2,398.85x = 4,470,347.30
  5. Step 5: Solve for x
    x = 4,470,347.30/2,398.85
  6. Step 6: Final answer
    x = 1,863.54

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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.