Home / 1,851.14-2,774.88-1,192.61

Finding the Fourth Proportional to 1,851.14, 2,774.88 and 1,192.61

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Solution

The fourth proportional to 1,851.14, 2,774.88 and 1,192.61 is: 1,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.14 : 2,774.88 = 1,192.61 : x
  2. Step 2: Convert to fraction form
    1,851.14/2,774.88 = 1,192.61/x
  3. Step 3: Cross multiply
    1,851.14x = 2,774.88 × 1,192.61
  4. Step 4: Simplify right side
    1,851.14x = 3,309,349.64
  5. Step 5: Solve for x
    x = 3,309,349.64/1,851.14
  6. Step 6: Final answer
    x = 1,787.74

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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.