Home / 3,757.79-5,637.09-2,117.54

Finding the Fourth Proportional to 3,757.79, 5,637.09 and 2,117.54

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Solution

The fourth proportional to 3,757.79, 5,637.09 and 2,117.54 is: 3,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.79 : 5,637.09 = 2,117.54 : x
  2. Step 2: Convert to fraction form
    3,757.79/5,637.09 = 2,117.54/x
  3. Step 3: Cross multiply
    3,757.79x = 5,637.09 × 2,117.54
  4. Step 4: Simplify right side
    3,757.79x = 11,936,785.59
  5. Step 5: Solve for x
    x = 11,936,785.59/3,757.79
  6. Step 6: Final answer
    x = 3,176.54

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1.5x scale

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.