Home / 2,292.81-3,164.39-1,361.37

Finding the Fourth Proportional to 2,292.81, 3,164.39 and 1,361.37

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Solution

The fourth proportional to 2,292.81, 3,164.39 and 1,361.37 is: 1,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.81 : 3,164.39 = 1,361.37 : x
  2. Step 2: Convert to fraction form
    2,292.81/3,164.39 = 1,361.37/x
  3. Step 3: Cross multiply
    2,292.81x = 3,164.39 × 1,361.37
  4. Step 4: Simplify right side
    2,292.81x = 4,307,905.61
  5. Step 5: Solve for x
    x = 4,307,905.61/2,292.81
  6. Step 6: Final answer
    x = 1,878.88

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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.