Home / 2,398.08-3,309.36-1,512.96

Finding the Fourth Proportional to 2,398.08, 3,309.36 and 1,512.96

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Solution

The fourth proportional to 2,398.08, 3,309.36 and 1,512.96 is: 2,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.08 : 3,309.36 = 1,512.96 : x
  2. Step 2: Convert to fraction form
    2,398.08/3,309.36 = 1,512.96/x
  3. Step 3: Cross multiply
    2,398.08x = 3,309.36 × 1,512.96
  4. Step 4: Simplify right side
    2,398.08x = 5,006,929.31
  5. Step 5: Solve for x
    x = 5,006,929.31/2,398.08
  6. Step 6: Final answer
    x = 2,087.89

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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.