Home / 2,806.63-3,873.18-1,547.73

Finding the Fourth Proportional to 2,806.63, 3,873.18 and 1,547.73

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Solution

The fourth proportional to 2,806.63, 3,873.18 and 1,547.73 is: 2,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.63 : 3,873.18 = 1,547.73 : x
  2. Step 2: Convert to fraction form
    2,806.63/3,873.18 = 1,547.73/x
  3. Step 3: Cross multiply
    2,806.63x = 3,873.18 × 1,547.73
  4. Step 4: Simplify right side
    2,806.63x = 5,994,636.88
  5. Step 5: Solve for x
    x = 5,994,636.88/2,806.63
  6. Step 6: Final answer
    x = 2,135.88

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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.