Home / 4,288.07-5,917.81-2,399.87

Finding the Fourth Proportional to 4,288.07, 5,917.81 and 2,399.87

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Solution

The fourth proportional to 4,288.07, 5,917.81 and 2,399.87 is: 3,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.07 : 5,917.81 = 2,399.87 : x
  2. Step 2: Convert to fraction form
    4,288.07/5,917.81 = 2,399.87/x
  3. Step 3: Cross multiply
    4,288.07x = 5,917.81 × 2,399.87
  4. Step 4: Simplify right side
    4,288.07x = 14,201,970.29
  5. Step 5: Solve for x
    x = 14,201,970.29/4,288.07
  6. Step 6: Final answer
    x = 3,311.97

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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.