Home / 2,893.14-3,988.81-2,361.50

Finding the Fourth Proportional to 2,893.14, 3,988.81 and 2,361.50

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Solution

The fourth proportional to 2,893.14, 3,988.81 and 2,361.50 is: 3,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.14 : 3,988.81 = 2,361.50 : x
  2. Step 2: Convert to fraction form
    2,893.14/3,988.81 = 2,361.50/x
  3. Step 3: Cross multiply
    2,893.14x = 3,988.81 × 2,361.50
  4. Step 4: Simplify right side
    2,893.14x = 9,419,585.26
  5. Step 5: Solve for x
    x = 9,419,585.26/2,893.14
  6. Step 6: Final answer
    x = 3,255.83

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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.