Home / 2,787.85-3,844.96-2,002.33

Finding the Fourth Proportional to 2,787.85, 3,844.96 and 2,002.33

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Solution

The fourth proportional to 2,787.85, 3,844.96 and 2,002.33 is: 2,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.85 : 3,844.96 = 2,002.33 : x
  2. Step 2: Convert to fraction form
    2,787.85/3,844.96 = 2,002.33/x
  3. Step 3: Cross multiply
    2,787.85x = 3,844.96 × 2,002.33
  4. Step 4: Simplify right side
    2,787.85x = 7,698,878.76
  5. Step 5: Solve for x
    x = 7,698,878.76/2,787.85
  6. Step 6: Final answer
    x = 2,761.58

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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.