Home / 2,389.14-3,575.88-2,167.74

Finding the Fourth Proportional to 2,389.14, 3,575.88 and 2,167.74

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Solution

The fourth proportional to 2,389.14, 3,575.88 and 2,167.74 is: 3,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.14 : 3,575.88 = 2,167.74 : x
  2. Step 2: Convert to fraction form
    2,389.14/3,575.88 = 2,167.74/x
  3. Step 3: Cross multiply
    2,389.14x = 3,575.88 × 2,167.74
  4. Step 4: Simplify right side
    2,389.14x = 7,751,578.11
  5. Step 5: Solve for x
    x = 7,751,578.11/2,389.14
  6. Step 6: Final answer
    x = 3,244.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.