Home / 2,806.88-3,873.33-1,547.99

Finding the Fourth Proportional to 2,806.88, 3,873.33 and 1,547.99

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Solution

The fourth proportional to 2,806.88, 3,873.33 and 1,547.99 is: 2,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.88 : 3,873.33 = 1,547.99 : x
  2. Step 2: Convert to fraction form
    2,806.88/3,873.33 = 1,547.99/x
  3. Step 3: Cross multiply
    2,806.88x = 3,873.33 × 1,547.99
  4. Step 4: Simplify right side
    2,806.88x = 5,995,876.11
  5. Step 5: Solve for x
    x = 5,995,876.11/2,806.88
  6. Step 6: Final answer
    x = 2,136.14

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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.