Home / 2,775.49-3,830.19-1,516.57

Finding the Fourth Proportional to 2,775.49, 3,830.19 and 1,516.57

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Solution

The fourth proportional to 2,775.49, 3,830.19 and 1,516.57 is: 2,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.49 : 3,830.19 = 1,516.57 : x
  2. Step 2: Convert to fraction form
    2,775.49/3,830.19 = 1,516.57/x
  3. Step 3: Cross multiply
    2,775.49x = 3,830.19 × 1,516.57
  4. Step 4: Simplify right side
    2,775.49x = 5,808,751.25
  5. Step 5: Solve for x
    x = 5,808,751.25/2,775.49
  6. Step 6: Final answer
    x = 2,092.87

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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.