Home / 2,389.14-3,296.98-1,326.91

Finding the Fourth Proportional to 2,389.14, 3,296.98 and 1,326.91

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Solution

The fourth proportional to 2,389.14, 3,296.98 and 1,326.91 is: 1,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.14 : 3,296.98 = 1,326.91 : x
  2. Step 2: Convert to fraction form
    2,389.14/3,296.98 = 1,326.91/x
  3. Step 3: Cross multiply
    2,389.14x = 3,296.98 × 1,326.91
  4. Step 4: Simplify right side
    2,389.14x = 4,374,795.73
  5. Step 5: Solve for x
    x = 4,374,795.73/2,389.14
  6. Step 6: Final answer
    x = 1,831.12

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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.