Home / 2,748.05-4,124.12-1,578.61

Finding the Fourth Proportional to 2,748.05, 4,124.12 and 1,578.61

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Solution

The fourth proportional to 2,748.05, 4,124.12 and 1,578.61 is: 2,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.05 : 4,124.12 = 1,578.61 : x
  2. Step 2: Convert to fraction form
    2,748.05/4,124.12 = 1,578.61/x
  3. Step 3: Cross multiply
    2,748.05x = 4,124.12 × 1,578.61
  4. Step 4: Simplify right side
    2,748.05x = 6,510,374.34
  5. Step 5: Solve for x
    x = 6,510,374.34/2,748.05
  6. Step 6: Final answer
    x = 2,369.09

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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.