Home / 3,114.44-4,297.73-1,787.21

Finding the Fourth Proportional to 3,114.44, 4,297.73 and 1,787.21

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Solution

The fourth proportional to 3,114.44, 4,297.73 and 1,787.21 is: 2,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.44 : 4,297.73 = 1,787.21 : x
  2. Step 2: Convert to fraction form
    3,114.44/4,297.73 = 1,787.21/x
  3. Step 3: Cross multiply
    3,114.44x = 4,297.73 × 1,787.21
  4. Step 4: Simplify right side
    3,114.44x = 7,680,915.61
  5. Step 5: Solve for x
    x = 7,680,915.61/3,114.44
  6. Step 6: Final answer
    x = 2,466.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.