Home / 2,398.23-3,309.91-1,403.82

Finding the Fourth Proportional to 2,398.23, 3,309.91 and 1,403.82

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Solution

The fourth proportional to 2,398.23, 3,309.91 and 1,403.82 is: 1,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.23 : 3,309.91 = 1,403.82 : x
  2. Step 2: Convert to fraction form
    2,398.23/3,309.91 = 1,403.82/x
  3. Step 3: Cross multiply
    2,398.23x = 3,309.91 × 1,403.82
  4. Step 4: Simplify right side
    2,398.23x = 4,646,514.35
  5. Step 5: Solve for x
    x = 4,646,514.35/2,398.23
  6. Step 6: Final answer
    x = 1,937.48

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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.