Home / 2,371.21-3,272.42-1,573.13

Finding the Fourth Proportional to 2,371.21, 3,272.42 and 1,573.13

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Solution

The fourth proportional to 2,371.21, 3,272.42 and 1,573.13 is: 2,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.21 : 3,272.42 = 1,573.13 : x
  2. Step 2: Convert to fraction form
    2,371.21/3,272.42 = 1,573.13/x
  3. Step 3: Cross multiply
    2,371.21x = 3,272.42 × 1,573.13
  4. Step 4: Simplify right side
    2,371.21x = 5,147,942.07
  5. Step 5: Solve for x
    x = 5,147,942.07/2,371.21
  6. Step 6: Final answer
    x = 2,171.02

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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.