Home / 3,319.51-4,982.34-1,677.21

Finding the Fourth Proportional to 3,319.51, 4,982.34 and 1,677.21

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Solution

The fourth proportional to 3,319.51, 4,982.34 and 1,677.21 is: 2,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.51 : 4,982.34 = 1,677.21 : x
  2. Step 2: Convert to fraction form
    3,319.51/4,982.34 = 1,677.21/x
  3. Step 3: Cross multiply
    3,319.51x = 4,982.34 × 1,677.21
  4. Step 4: Simplify right side
    3,319.51x = 8,356,430.47
  5. Step 5: Solve for x
    x = 8,356,430.47/3,319.51
  6. Step 6: Final answer
    x = 2,517.37

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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.