Home / 3,320.84-4,981.66-1,374.42

Finding the Fourth Proportional to 3,320.84, 4,981.66 and 1,374.42

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Solution

The fourth proportional to 3,320.84, 4,981.66 and 1,374.42 is: 2,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.84 : 4,981.66 = 1,374.42 : x
  2. Step 2: Convert to fraction form
    3,320.84/4,981.66 = 1,374.42/x
  3. Step 3: Cross multiply
    3,320.84x = 4,981.66 × 1,374.42
  4. Step 4: Simplify right side
    3,320.84x = 6,846,893.14
  5. Step 5: Solve for x
    x = 6,846,893.14/3,320.84
  6. Step 6: Final answer
    x = 2,061.80

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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.