Home / 2,929.56-4,387.62-1,900.44

Finding the Fourth Proportional to 2,929.56, 4,387.62 and 1,900.44

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Solution

The fourth proportional to 2,929.56, 4,387.62 and 1,900.44 is: 2,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.56 : 4,387.62 = 1,900.44 : x
  2. Step 2: Convert to fraction form
    2,929.56/4,387.62 = 1,900.44/x
  3. Step 3: Cross multiply
    2,929.56x = 4,387.62 × 1,900.44
  4. Step 4: Simplify right side
    2,929.56x = 8,338,408.55
  5. Step 5: Solve for x
    x = 8,338,408.55/2,929.56
  6. Step 6: Final answer
    x = 2,846.30

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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.