Home / 2,926.78-4,392.49-1,540.93

Finding the Fourth Proportional to 2,926.78, 4,392.49 and 1,540.93

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Solution

The fourth proportional to 2,926.78, 4,392.49 and 1,540.93 is: 2,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.78 : 4,392.49 = 1,540.93 : x
  2. Step 2: Convert to fraction form
    2,926.78/4,392.49 = 1,540.93/x
  3. Step 3: Cross multiply
    2,926.78x = 4,392.49 × 1,540.93
  4. Step 4: Simplify right side
    2,926.78x = 6,768,519.62
  5. Step 5: Solve for x
    x = 6,768,519.62/2,926.78
  6. Step 6: Final answer
    x = 2,312.62

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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.