Home / 3,369.85-5,056.93-1,290.04

Finding the Fourth Proportional to 3,369.85, 5,056.93 and 1,290.04

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Solution

The fourth proportional to 3,369.85, 5,056.93 and 1,290.04 is: 1,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.85 : 5,056.93 = 1,290.04 : x
  2. Step 2: Convert to fraction form
    3,369.85/5,056.93 = 1,290.04/x
  3. Step 3: Cross multiply
    3,369.85x = 5,056.93 × 1,290.04
  4. Step 4: Simplify right side
    3,369.85x = 6,523,641.98
  5. Step 5: Solve for x
    x = 6,523,641.98/3,369.85
  6. Step 6: Final answer
    x = 1,935.88

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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.