Home / 3,870.52-5,806.94-1,530.85

Finding the Fourth Proportional to 3,870.52, 5,806.94 and 1,530.85

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Solution

The fourth proportional to 3,870.52, 5,806.94 and 1,530.85 is: 2,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.52 : 5,806.94 = 1,530.85 : x
  2. Step 2: Convert to fraction form
    3,870.52/5,806.94 = 1,530.85/x
  3. Step 3: Cross multiply
    3,870.52x = 5,806.94 × 1,530.85
  4. Step 4: Simplify right side
    3,870.52x = 8,889,554.10
  5. Step 5: Solve for x
    x = 8,889,554.10/3,870.52
  6. Step 6: Final answer
    x = 2,296.73

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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.