Home / 2,868.49-3,958.36-1,806.04

Finding the Fourth Proportional to 2,868.49, 3,958.36 and 1,806.04

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Solution

The fourth proportional to 2,868.49, 3,958.36 and 1,806.04 is: 2,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.49 : 3,958.36 = 1,806.04 : x
  2. Step 2: Convert to fraction form
    2,868.49/3,958.36 = 1,806.04/x
  3. Step 3: Cross multiply
    2,868.49x = 3,958.36 × 1,806.04
  4. Step 4: Simplify right side
    2,868.49x = 7,148,956.49
  5. Step 5: Solve for x
    x = 7,148,956.49/2,868.49
  6. Step 6: Final answer
    x = 2,492.24

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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.