Home / 3,114.50-4,297.59-1,787.96

Finding the Fourth Proportional to 3,114.50, 4,297.59 and 1,787.96

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Solution

The fourth proportional to 3,114.50, 4,297.59 and 1,787.96 is: 2,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.50 : 4,297.59 = 1,787.96 : x
  2. Step 2: Convert to fraction form
    3,114.50/4,297.59 = 1,787.96/x
  3. Step 3: Cross multiply
    3,114.50x = 4,297.59 × 1,787.96
  4. Step 4: Simplify right side
    3,114.50x = 7,683,919.02
  5. Step 5: Solve for x
    x = 7,683,919.02/3,114.50
  6. Step 6: Final answer
    x = 2,467.14

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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.