Home / 2,787.32-3,848.24-1,794.32

Finding the Fourth Proportional to 2,787.32, 3,848.24 and 1,794.32

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Solution

The fourth proportional to 2,787.32, 3,848.24 and 1,794.32 is: 2,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.32 : 3,848.24 = 1,794.32 : x
  2. Step 2: Convert to fraction form
    2,787.32/3,848.24 = 1,794.32/x
  3. Step 3: Cross multiply
    2,787.32x = 3,848.24 × 1,794.32
  4. Step 4: Simplify right side
    2,787.32x = 6,904,945.78
  5. Step 5: Solve for x
    x = 6,904,945.78/2,787.32
  6. Step 6: Final answer
    x = 2,477.28

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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.