Home / 3,569.79-5,350.20-1,815.24

Finding the Fourth Proportional to 3,569.79, 5,350.20 and 1,815.24

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Solution

The fourth proportional to 3,569.79, 5,350.20 and 1,815.24 is: 2,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.79 : 5,350.20 = 1,815.24 : x
  2. Step 2: Convert to fraction form
    3,569.79/5,350.20 = 1,815.24/x
  3. Step 3: Cross multiply
    3,569.79x = 5,350.20 × 1,815.24
  4. Step 4: Simplify right side
    3,569.79x = 9,711,897.05
  5. Step 5: Solve for x
    x = 9,711,897.05/3,569.79
  6. Step 6: Final answer
    x = 2,720.58

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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.