Home / 2,926.22-4,389.94-1,538.79

Finding the Fourth Proportional to 2,926.22, 4,389.94 and 1,538.79

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Solution

The fourth proportional to 2,926.22, 4,389.94 and 1,538.79 is: 2,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.22 : 4,389.94 = 1,538.79 : x
  2. Step 2: Convert to fraction form
    2,926.22/4,389.94 = 1,538.79/x
  3. Step 3: Cross multiply
    2,926.22x = 4,389.94 × 1,538.79
  4. Step 4: Simplify right side
    2,926.22x = 6,755,195.77
  5. Step 5: Solve for x
    x = 6,755,195.77/2,926.22
  6. Step 6: Final answer
    x = 2,308.51

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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.