Home / 3,476.10-5,211.33-1,395.18

Finding the Fourth Proportional to 3,476.10, 5,211.33 and 1,395.18

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Solution

The fourth proportional to 3,476.10, 5,211.33 and 1,395.18 is: 2,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.10 : 5,211.33 = 1,395.18 : x
  2. Step 2: Convert to fraction form
    3,476.10/5,211.33 = 1,395.18/x
  3. Step 3: Cross multiply
    3,476.10x = 5,211.33 × 1,395.18
  4. Step 4: Simplify right side
    3,476.10x = 7,270,743.39
  5. Step 5: Solve for x
    x = 7,270,743.39/3,476.10
  6. Step 6: Final answer
    x = 2,091.64

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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.