Home / 2,380.24-3,570.36-841.36

Finding the Fourth Proportional to 2,380.24, 3,570.36 and 841.36

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Solution

The fourth proportional to 2,380.24, 3,570.36 and 841.36 is: 1,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.24 : 3,570.36 = 841.36 : x
  2. Step 2: Convert to fraction form
    2,380.24/3,570.36 = 841.36/x
  3. Step 3: Cross multiply
    2,380.24x = 3,570.36 × 841.36
  4. Step 4: Simplify right side
    2,380.24x = 3,003,958.09
  5. Step 5: Solve for x
    x = 3,003,958.09/2,380.24
  6. Step 6: Final answer
    x = 1,262.04

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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.