Home / 2,725.39-3,760.08-1,885.78

Finding the Fourth Proportional to 2,725.39, 3,760.08 and 1,885.78

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Solution

The fourth proportional to 2,725.39, 3,760.08 and 1,885.78 is: 2,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.39 : 3,760.08 = 1,885.78 : x
  2. Step 2: Convert to fraction form
    2,725.39/3,760.08 = 1,885.78/x
  3. Step 3: Cross multiply
    2,725.39x = 3,760.08 × 1,885.78
  4. Step 4: Simplify right side
    2,725.39x = 7,090,683.66
  5. Step 5: Solve for x
    x = 7,090,683.66/2,725.39
  6. Step 6: Final answer
    x = 2,601.71

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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.