Home / 3,619.73-5,429.10-1,154.45

Finding the Fourth Proportional to 3,619.73, 5,429.10 and 1,154.45

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Solution

The fourth proportional to 3,619.73, 5,429.10 and 1,154.45 is: 1,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.73 : 5,429.10 = 1,154.45 : x
  2. Step 2: Convert to fraction form
    3,619.73/5,429.10 = 1,154.45/x
  3. Step 3: Cross multiply
    3,619.73x = 5,429.10 × 1,154.45
  4. Step 4: Simplify right side
    3,619.73x = 6,267,624.50
  5. Step 5: Solve for x
    x = 6,267,624.50/3,619.73
  6. Step 6: Final answer
    x = 1,731.52

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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.