Home / 3,290.24-4,538.24-2,171.52

Finding the Fourth Proportional to 3,290.24, 4,538.24 and 2,171.52

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Solution

The fourth proportional to 3,290.24, 4,538.24 and 2,171.52 is: 2,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.24 : 4,538.24 = 2,171.52 : x
  2. Step 2: Convert to fraction form
    3,290.24/4,538.24 = 2,171.52/x
  3. Step 3: Cross multiply
    3,290.24x = 4,538.24 × 2,171.52
  4. Step 4: Simplify right side
    3,290.24x = 9,854,878.92
  5. Step 5: Solve for x
    x = 9,854,878.92/3,290.24
  6. Step 6: Final answer
    x = 2,995.19

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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.