Home / 3,619.04-5,428.87-1,154.21

Finding the Fourth Proportional to 3,619.04, 5,428.87 and 1,154.21

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Solution

The fourth proportional to 3,619.04, 5,428.87 and 1,154.21 is: 1,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.04 : 5,428.87 = 1,154.21 : x
  2. Step 2: Convert to fraction form
    3,619.04/5,428.87 = 1,154.21/x
  3. Step 3: Cross multiply
    3,619.04x = 5,428.87 × 1,154.21
  4. Step 4: Simplify right side
    3,619.04x = 6,266,066.73
  5. Step 5: Solve for x
    x = 6,266,066.73/3,619.04
  6. Step 6: Final answer
    x = 1,731.42

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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.