Home / 3,619.55-5,429.58-1,154.61

Finding the Fourth Proportional to 3,619.55, 5,429.58 and 1,154.61

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Solution

The fourth proportional to 3,619.55, 5,429.58 and 1,154.61 is: 1,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.55 : 5,429.58 = 1,154.61 : x
  2. Step 2: Convert to fraction form
    3,619.55/5,429.58 = 1,154.61/x
  3. Step 3: Cross multiply
    3,619.55x = 5,429.58 × 1,154.61
  4. Step 4: Simplify right side
    3,619.55x = 6,269,047.36
  5. Step 5: Solve for x
    x = 6,269,047.36/3,619.55
  6. Step 6: Final answer
    x = 1,732.00

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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.