Home / 3,870.23-5,806.10-1,531.34

Finding the Fourth Proportional to 3,870.23, 5,806.10 and 1,531.34

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Solution

The fourth proportional to 3,870.23, 5,806.10 and 1,531.34 is: 2,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.23 : 5,806.10 = 1,531.34 : x
  2. Step 2: Convert to fraction form
    3,870.23/5,806.10 = 1,531.34/x
  3. Step 3: Cross multiply
    3,870.23x = 5,806.10 × 1,531.34
  4. Step 4: Simplify right side
    3,870.23x = 8,891,087.97
  5. Step 5: Solve for x
    x = 8,891,087.97/3,870.23
  6. Step 6: Final answer
    x = 2,297.30

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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.