Home / 3,381.19-5,071.98-1,626.55

Finding the Fourth Proportional to 3,381.19, 5,071.98 and 1,626.55

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Solution

The fourth proportional to 3,381.19, 5,071.98 and 1,626.55 is: 2,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.19 : 5,071.98 = 1,626.55 : x
  2. Step 2: Convert to fraction form
    3,381.19/5,071.98 = 1,626.55/x
  3. Step 3: Cross multiply
    3,381.19x = 5,071.98 × 1,626.55
  4. Step 4: Simplify right side
    3,381.19x = 8,249,829.07
  5. Step 5: Solve for x
    x = 8,249,829.07/3,381.19
  6. Step 6: Final answer
    x = 2,439.92

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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.