Home / 3,619.79-5,428.86-1,022.93

Finding the Fourth Proportional to 3,619.79, 5,428.86 and 1,022.93

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Solution

The fourth proportional to 3,619.79, 5,428.86 and 1,022.93 is: 1,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.79 : 5,428.86 = 1,022.93 : x
  2. Step 2: Convert to fraction form
    3,619.79/5,428.86 = 1,022.93/x
  3. Step 3: Cross multiply
    3,619.79x = 5,428.86 × 1,022.93
  4. Step 4: Simplify right side
    3,619.79x = 5,553,316.62
  5. Step 5: Solve for x
    x = 5,553,316.62/3,619.79
  6. Step 6: Final answer
    x = 1,534.16

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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.