Home / 3,424.40-5,137.08-1,575.44

Finding the Fourth Proportional to 3,424.40, 5,137.08 and 1,575.44

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Solution

The fourth proportional to 3,424.40, 5,137.08 and 1,575.44 is: 2,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.40 : 5,137.08 = 1,575.44 : x
  2. Step 2: Convert to fraction form
    3,424.40/5,137.08 = 1,575.44/x
  3. Step 3: Cross multiply
    3,424.40x = 5,137.08 × 1,575.44
  4. Step 4: Simplify right side
    3,424.40x = 8,093,161.32
  5. Step 5: Solve for x
    x = 8,093,161.32/3,424.40
  6. Step 6: Final answer
    x = 2,363.38

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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.