Home / 4,288.23-5,917.73-2,520.86

Finding the Fourth Proportional to 4,288.23, 5,917.73 and 2,520.86

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Solution

The fourth proportional to 4,288.23, 5,917.73 and 2,520.86 is: 3,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.23 : 5,917.73 = 2,520.86 : x
  2. Step 2: Convert to fraction form
    4,288.23/5,917.73 = 2,520.86/x
  3. Step 3: Cross multiply
    4,288.23x = 5,917.73 × 2,520.86
  4. Step 4: Simplify right side
    4,288.23x = 14,917,726.65
  5. Step 5: Solve for x
    x = 14,917,726.65/4,288.23
  6. Step 6: Final answer
    x = 3,478.76

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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.