Home / 2,380.22-3,569.84-1,392.38

Finding the Fourth Proportional to 2,380.22, 3,569.84 and 1,392.38

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Solution

The fourth proportional to 2,380.22, 3,569.84 and 1,392.38 is: 2,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.22 : 3,569.84 = 1,392.38 : x
  2. Step 2: Convert to fraction form
    2,380.22/3,569.84 = 1,392.38/x
  3. Step 3: Cross multiply
    2,380.22x = 3,569.84 × 1,392.38
  4. Step 4: Simplify right side
    2,380.22x = 4,970,573.82
  5. Step 5: Solve for x
    x = 4,970,573.82/2,380.22
  6. Step 6: Final answer
    x = 2,088.28

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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.