Home / 4,087.24-5,640.23-2,318.81

Finding the Fourth Proportional to 4,087.24, 5,640.23 and 2,318.81

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Solution

The fourth proportional to 4,087.24, 5,640.23 and 2,318.81 is: 3,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.24 : 5,640.23 = 2,318.81 : x
  2. Step 2: Convert to fraction form
    4,087.24/5,640.23 = 2,318.81/x
  3. Step 3: Cross multiply
    4,087.24x = 5,640.23 × 2,318.81
  4. Step 4: Simplify right side
    4,087.24x = 13,078,610.13
  5. Step 5: Solve for x
    x = 13,078,610.13/4,087.24
  6. Step 6: Final answer
    x = 3,199.86

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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.