Home / 3,424.78-5,135.82-1,202.95

Finding the Fourth Proportional to 3,424.78, 5,135.82 and 1,202.95

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Solution

The fourth proportional to 3,424.78, 5,135.82 and 1,202.95 is: 1,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.78 : 5,135.82 = 1,202.95 : x
  2. Step 2: Convert to fraction form
    3,424.78/5,135.82 = 1,202.95/x
  3. Step 3: Cross multiply
    3,424.78x = 5,135.82 × 1,202.95
  4. Step 4: Simplify right side
    3,424.78x = 6,178,134.67
  5. Step 5: Solve for x
    x = 6,178,134.67/3,424.78
  6. Step 6: Final answer
    x = 1,803.95

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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.