Home / 3,833.36-5,286.99-2,487.50

Finding the Fourth Proportional to 3,833.36, 5,286.99 and 2,487.50

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Solution

The fourth proportional to 3,833.36, 5,286.99 and 2,487.50 is: 3,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.36 : 5,286.99 = 2,487.50 : x
  2. Step 2: Convert to fraction form
    3,833.36/5,286.99 = 2,487.50/x
  3. Step 3: Cross multiply
    3,833.36x = 5,286.99 × 2,487.50
  4. Step 4: Simplify right side
    3,833.36x = 13,151,361.19
  5. Step 5: Solve for x
    x = 13,151,361.19/3,833.36
  6. Step 6: Final answer
    x = 3,430.77

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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.