Home / 3,177.47-4,765.50-1,097.39

Finding the Fourth Proportional to 3,177.47, 4,765.50 and 1,097.39

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Solution

The fourth proportional to 3,177.47, 4,765.50 and 1,097.39 is: 1,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.47 : 4,765.50 = 1,097.39 : x
  2. Step 2: Convert to fraction form
    3,177.47/4,765.50 = 1,097.39/x
  3. Step 3: Cross multiply
    3,177.47x = 4,765.50 × 1,097.39
  4. Step 4: Simplify right side
    3,177.47x = 5,229,623.96
  5. Step 5: Solve for x
    x = 5,229,623.96/3,177.47
  6. Step 6: Final answer
    x = 1,645.84

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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.