Home / 3,201.28-4,795.53-1,971.09

Finding the Fourth Proportional to 3,201.28, 4,795.53 and 1,971.09

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Solution

The fourth proportional to 3,201.28, 4,795.53 and 1,971.09 is: 2,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.28 : 4,795.53 = 1,971.09 : x
  2. Step 2: Convert to fraction form
    3,201.28/4,795.53 = 1,971.09/x
  3. Step 3: Cross multiply
    3,201.28x = 4,795.53 × 1,971.09
  4. Step 4: Simplify right side
    3,201.28x = 9,452,421.23
  5. Step 5: Solve for x
    x = 9,452,421.23/3,201.28
  6. Step 6: Final answer
    x = 2,952.70

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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.