Home / 3,770.31-5,209.80-2,933.19

Finding the Fourth Proportional to 3,770.31, 5,209.80 and 2,933.19

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Solution

The fourth proportional to 3,770.31, 5,209.80 and 2,933.19 is: 4,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.31 : 5,209.80 = 2,933.19 : x
  2. Step 2: Convert to fraction form
    3,770.31/5,209.80 = 2,933.19/x
  3. Step 3: Cross multiply
    3,770.31x = 5,209.80 × 2,933.19
  4. Step 4: Simplify right side
    3,770.31x = 15,281,333.26
  5. Step 5: Solve for x
    x = 15,281,333.26/3,770.31
  6. Step 6: Final answer
    x = 4,053.07

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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.