Home / 1,787.68-2,682.83-1,774.11

Finding the Fourth Proportional to 1,787.68, 2,682.83 and 1,774.11

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Solution

The fourth proportional to 1,787.68, 2,682.83 and 1,774.11 is: 2,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.68 : 2,682.83 = 1,774.11 : x
  2. Step 2: Convert to fraction form
    1,787.68/2,682.83 = 1,774.11/x
  3. Step 3: Cross multiply
    1,787.68x = 2,682.83 × 1,774.11
  4. Step 4: Simplify right side
    1,787.68x = 4,759,635.53
  5. Step 5: Solve for x
    x = 4,759,635.53/1,787.68
  6. Step 6: Final answer
    x = 2,662.47

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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.