Home / 3,318.18-4,972.23-1,584.42

Finding the Fourth Proportional to 3,318.18, 4,972.23 and 1,584.42

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Solution

The fourth proportional to 3,318.18, 4,972.23 and 1,584.42 is: 2,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.18 : 4,972.23 = 1,584.42 : x
  2. Step 2: Convert to fraction form
    3,318.18/4,972.23 = 1,584.42/x
  3. Step 3: Cross multiply
    3,318.18x = 4,972.23 × 1,584.42
  4. Step 4: Simplify right side
    3,318.18x = 7,878,100.66
  5. Step 5: Solve for x
    x = 7,878,100.66/3,318.18
  6. Step 6: Final answer
    x = 2,374.22

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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.