Home / 1,767.93-2,438.36-1,236.64

Finding the Fourth Proportional to 1,767.93, 2,438.36 and 1,236.64

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Solution

The fourth proportional to 1,767.93, 2,438.36 and 1,236.64 is: 1,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.93 : 2,438.36 = 1,236.64 : x
  2. Step 2: Convert to fraction form
    1,767.93/2,438.36 = 1,236.64/x
  3. Step 3: Cross multiply
    1,767.93x = 2,438.36 × 1,236.64
  4. Step 4: Simplify right side
    1,767.93x = 3,015,361.32
  5. Step 5: Solve for x
    x = 3,015,361.32/1,767.93
  6. Step 6: Final answer
    x = 1,705.59

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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.