Home / 3,512.19-5,270.67-1,869.89

Finding the Fourth Proportional to 3,512.19, 5,270.67 and 1,869.89

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Solution

The fourth proportional to 3,512.19, 5,270.67 and 1,869.89 is: 2,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.19 : 5,270.67 = 1,869.89 : x
  2. Step 2: Convert to fraction form
    3,512.19/5,270.67 = 1,869.89/x
  3. Step 3: Cross multiply
    3,512.19x = 5,270.67 × 1,869.89
  4. Step 4: Simplify right side
    3,512.19x = 9,855,546.77
  5. Step 5: Solve for x
    x = 9,855,546.77/3,512.19
  6. Step 6: Final answer
    x = 2,806.10

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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.