Home / 2,938.82-4,403.68-1,706.81

Finding the Fourth Proportional to 2,938.82, 4,403.68 and 1,706.81

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Solution

The fourth proportional to 2,938.82, 4,403.68 and 1,706.81 is: 2,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.82 : 4,403.68 = 1,706.81 : x
  2. Step 2: Convert to fraction form
    2,938.82/4,403.68 = 1,706.81/x
  3. Step 3: Cross multiply
    2,938.82x = 4,403.68 × 1,706.81
  4. Step 4: Simplify right side
    2,938.82x = 7,516,251.80
  5. Step 5: Solve for x
    x = 7,516,251.80/2,938.82
  6. Step 6: Final answer
    x = 2,557.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.