Home / 2,775.07-3,829.56-1,516.11

Finding the Fourth Proportional to 2,775.07, 3,829.56 and 1,516.11

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Solution

The fourth proportional to 2,775.07, 3,829.56 and 1,516.11 is: 2,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.07 : 3,829.56 = 1,516.11 : x
  2. Step 2: Convert to fraction form
    2,775.07/3,829.56 = 1,516.11/x
  3. Step 3: Cross multiply
    2,775.07x = 3,829.56 × 1,516.11
  4. Step 4: Simplify right side
    2,775.07x = 5,806,034.21
  5. Step 5: Solve for x
    x = 5,806,034.21/2,775.07
  6. Step 6: Final answer
    x = 2,092.21

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1.5x scale

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.