Home / 1,869.08-2,806.25-1,863.54

Finding the Fourth Proportional to 1,869.08, 2,806.25 and 1,863.54

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Solution

The fourth proportional to 1,869.08, 2,806.25 and 1,863.54 is: 2,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.08 : 2,806.25 = 1,863.54 : x
  2. Step 2: Convert to fraction form
    1,869.08/2,806.25 = 1,863.54/x
  3. Step 3: Cross multiply
    1,869.08x = 2,806.25 × 1,863.54
  4. Step 4: Simplify right side
    1,869.08x = 5,229,549.81
  5. Step 5: Solve for x
    x = 5,229,549.81/1,869.08
  6. Step 6: Final answer
    x = 2,797.93

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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.