Home / 2,750.38-3,794.53-1,806.68

Finding the Fourth Proportional to 2,750.38, 3,794.53 and 1,806.68

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Solution

The fourth proportional to 2,750.38, 3,794.53 and 1,806.68 is: 2,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.38 : 3,794.53 = 1,806.68 : x
  2. Step 2: Convert to fraction form
    2,750.38/3,794.53 = 1,806.68/x
  3. Step 3: Cross multiply
    2,750.38x = 3,794.53 × 1,806.68
  4. Step 4: Simplify right side
    2,750.38x = 6,855,501.46
  5. Step 5: Solve for x
    x = 6,855,501.46/2,750.38
  6. Step 6: Final answer
    x = 2,492.57

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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.