Home / 2,175.84-3,261.33-944.28

Finding the Fourth Proportional to 2,175.84, 3,261.33 and 944.28

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Solution

The fourth proportional to 2,175.84, 3,261.33 and 944.28 is: 1,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.84 : 3,261.33 = 944.28 : x
  2. Step 2: Convert to fraction form
    2,175.84/3,261.33 = 944.28/x
  3. Step 3: Cross multiply
    2,175.84x = 3,261.33 × 944.28
  4. Step 4: Simplify right side
    2,175.84x = 3,079,608.69
  5. Step 5: Solve for x
    x = 3,079,608.69/2,175.84
  6. Step 6: Final answer
    x = 1,415.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.