Home / 3,669.18-5,504.46-1,329.28

Finding the Fourth Proportional to 3,669.18, 5,504.46 and 1,329.28

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Solution

The fourth proportional to 3,669.18, 5,504.46 and 1,329.28 is: 1,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.18 : 5,504.46 = 1,329.28 : x
  2. Step 2: Convert to fraction form
    3,669.18/5,504.46 = 1,329.28/x
  3. Step 3: Cross multiply
    3,669.18x = 5,504.46 × 1,329.28
  4. Step 4: Simplify right side
    3,669.18x = 7,316,968.59
  5. Step 5: Solve for x
    x = 7,316,968.59/3,669.18
  6. Step 6: Final answer
    x = 1,994.17

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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.