Home / 3,114.18-4,297.38-1,787.76

Finding the Fourth Proportional to 3,114.18, 4,297.38 and 1,787.76

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Solution

The fourth proportional to 3,114.18, 4,297.38 and 1,787.76 is: 2,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.18 : 4,297.38 = 1,787.76 : x
  2. Step 2: Convert to fraction form
    3,114.18/4,297.38 = 1,787.76/x
  3. Step 3: Cross multiply
    3,114.18x = 4,297.38 × 1,787.76
  4. Step 4: Simplify right side
    3,114.18x = 7,682,684.07
  5. Step 5: Solve for x
    x = 7,682,684.07/3,114.18
  6. Step 6: Final answer
    x = 2,467.00

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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.