Home / 3,735.88-5,155.79-2,673.74

Finding the Fourth Proportional to 3,735.88, 5,155.79 and 2,673.74

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Solution

The fourth proportional to 3,735.88, 5,155.79 and 2,673.74 is: 3,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.88 : 5,155.79 = 2,673.74 : x
  2. Step 2: Convert to fraction form
    3,735.88/5,155.79 = 2,673.74/x
  3. Step 3: Cross multiply
    3,735.88x = 5,155.79 × 2,673.74
  4. Step 4: Simplify right side
    3,735.88x = 13,785,241.48
  5. Step 5: Solve for x
    x = 13,785,241.48/3,735.88
  6. Step 6: Final answer
    x = 3,689.96

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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.