Home / 2,922.32-4,382.40-1,190

Finding the Fourth Proportional to 2,922.32, 4,382.40 and 1,190

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Solution

The fourth proportional to 2,922.32, 4,382.40 and 1,190 is: 1,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.32 : 4,382.40 = 1,190 : x
  2. Step 2: Convert to fraction form
    2,922.32/4,382.40 = 1,190/x
  3. Step 3: Cross multiply
    2,922.32x = 4,382.40 × 1,190
  4. Step 4: Simplify right side
    2,922.32x = 5,215,056
  5. Step 5: Solve for x
    x = 5,215,056/2,922.32
  6. Step 6: Final answer
    x = 1,784.56

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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.