Home / 3,748.07-5,171.80-2,132.83

Finding the Fourth Proportional to 3,748.07, 5,171.80 and 2,132.83

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Solution

The fourth proportional to 3,748.07, 5,171.80 and 2,132.83 is: 2,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.07 : 5,171.80 = 2,132.83 : x
  2. Step 2: Convert to fraction form
    3,748.07/5,171.80 = 2,132.83/x
  3. Step 3: Cross multiply
    3,748.07x = 5,171.80 × 2,132.83
  4. Step 4: Simplify right side
    3,748.07x = 11,030,575.33
  5. Step 5: Solve for x
    x = 11,030,575.33/3,748.07
  6. Step 6: Final answer
    x = 2,943.00

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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.