Home / 2,796.42-3,858.84-1,617.57

Finding the Fourth Proportional to 2,796.42, 3,858.84 and 1,617.57

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Solution

The fourth proportional to 2,796.42, 3,858.84 and 1,617.57 is: 2,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.42 : 3,858.84 = 1,617.57 : x
  2. Step 2: Convert to fraction form
    2,796.42/3,858.84 = 1,617.57/x
  3. Step 3: Cross multiply
    2,796.42x = 3,858.84 × 1,617.57
  4. Step 4: Simplify right side
    2,796.42x = 6,241,943.82
  5. Step 5: Solve for x
    x = 6,241,943.82/2,796.42
  6. Step 6: Final answer
    x = 2,232.12

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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.