Home / 3,473.24-5,209.88-1,421.24

Finding the Fourth Proportional to 3,473.24, 5,209.88 and 1,421.24

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Solution

The fourth proportional to 3,473.24, 5,209.88 and 1,421.24 is: 2,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.24 : 5,209.88 = 1,421.24 : x
  2. Step 2: Convert to fraction form
    3,473.24/5,209.88 = 1,421.24/x
  3. Step 3: Cross multiply
    3,473.24x = 5,209.88 × 1,421.24
  4. Step 4: Simplify right side
    3,473.24x = 7,404,489.85
  5. Step 5: Solve for x
    x = 7,404,489.85/3,473.24
  6. Step 6: Final answer
    x = 2,131.87

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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.