Home / 2,759.32-3,807.66-1,563.96

Finding the Fourth Proportional to 2,759.32, 3,807.66 and 1,563.96

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Solution

The fourth proportional to 2,759.32, 3,807.66 and 1,563.96 is: 2,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.32 : 3,807.66 = 1,563.96 : x
  2. Step 2: Convert to fraction form
    2,759.32/3,807.66 = 1,563.96/x
  3. Step 3: Cross multiply
    2,759.32x = 3,807.66 × 1,563.96
  4. Step 4: Simplify right side
    2,759.32x = 5,955,027.93
  5. Step 5: Solve for x
    x = 5,955,027.93/2,759.32
  6. Step 6: Final answer
    x = 2,158.15

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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.