Home / 1,618.25-2,427.24-579.02

Finding the Fourth Proportional to 1,618.25, 2,427.24 and 579.02

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Solution

The fourth proportional to 1,618.25, 2,427.24 and 579.02 is: 868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.25 : 2,427.24 = 579.02 : x
  2. Step 2: Convert to fraction form
    1,618.25/2,427.24 = 579.02/x
  3. Step 3: Cross multiply
    1,618.25x = 2,427.24 × 579.02
  4. Step 4: Simplify right side
    1,618.25x = 1,405,420.50
  5. Step 5: Solve for x
    x = 1,405,420.50/1,618.25
  6. Step 6: Final answer
    x = 868.48

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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.