Home / 3,399.40-5,097.07-1,177.50

Finding the Fourth Proportional to 3,399.40, 5,097.07 and 1,177.50

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Solution

The fourth proportional to 3,399.40, 5,097.07 and 1,177.50 is: 1,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.40 : 5,097.07 = 1,177.50 : x
  2. Step 2: Convert to fraction form
    3,399.40/5,097.07 = 1,177.50/x
  3. Step 3: Cross multiply
    3,399.40x = 5,097.07 × 1,177.50
  4. Step 4: Simplify right side
    3,399.40x = 6,001,799.93
  5. Step 5: Solve for x
    x = 6,001,799.93/3,399.40
  6. Step 6: Final answer
    x = 1,765.55

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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.