Home / 3,421.44-5,131.15-1,473.19

Finding the Fourth Proportional to 3,421.44, 5,131.15 and 1,473.19

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Solution

The fourth proportional to 3,421.44, 5,131.15 and 1,473.19 is: 2,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.44 : 5,131.15 = 1,473.19 : x
  2. Step 2: Convert to fraction form
    3,421.44/5,131.15 = 1,473.19/x
  3. Step 3: Cross multiply
    3,421.44x = 5,131.15 × 1,473.19
  4. Step 4: Simplify right side
    3,421.44x = 7,559,142.36
  5. Step 5: Solve for x
    x = 7,559,142.36/3,421.44
  6. Step 6: Final answer
    x = 2,209.35

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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.