Home / 3,291.04-4,936.80-1,039.38

Finding the Fourth Proportional to 3,291.04, 4,936.80 and 1,039.38

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Solution

The fourth proportional to 3,291.04, 4,936.80 and 1,039.38 is: 1,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.04 : 4,936.80 = 1,039.38 : x
  2. Step 2: Convert to fraction form
    3,291.04/4,936.80 = 1,039.38/x
  3. Step 3: Cross multiply
    3,291.04x = 4,936.80 × 1,039.38
  4. Step 4: Simplify right side
    3,291.04x = 5,131,211.18
  5. Step 5: Solve for x
    x = 5,131,211.18/3,291.04
  6. Step 6: Final answer
    x = 1,559.15

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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.