Home / 3,574.42-5,362.40-1,819.68

Finding the Fourth Proportional to 3,574.42, 5,362.40 and 1,819.68

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Solution

The fourth proportional to 3,574.42, 5,362.40 and 1,819.68 is: 2,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.42 : 5,362.40 = 1,819.68 : x
  2. Step 2: Convert to fraction form
    3,574.42/5,362.40 = 1,819.68/x
  3. Step 3: Cross multiply
    3,574.42x = 5,362.40 × 1,819.68
  4. Step 4: Simplify right side
    3,574.42x = 9,757,852.03
  5. Step 5: Solve for x
    x = 9,757,852.03/3,574.42
  6. Step 6: Final answer
    x = 2,729.91

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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.