Home / 2,806.62-3,873.03-1,547.61

Finding the Fourth Proportional to 2,806.62, 3,873.03 and 1,547.61

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Solution

The fourth proportional to 2,806.62, 3,873.03 and 1,547.61 is: 2,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.62 : 3,873.03 = 1,547.61 : x
  2. Step 2: Convert to fraction form
    2,806.62/3,873.03 = 1,547.61/x
  3. Step 3: Cross multiply
    2,806.62x = 3,873.03 × 1,547.61
  4. Step 4: Simplify right side
    2,806.62x = 5,993,939.96
  5. Step 5: Solve for x
    x = 5,993,939.96/2,806.62
  6. Step 6: Final answer
    x = 2,135.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.