Home / 4,120.98-5,687.37-2,352.86

Finding the Fourth Proportional to 4,120.98, 5,687.37 and 2,352.86

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Solution

The fourth proportional to 4,120.98, 5,687.37 and 2,352.86 is: 3,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.98 : 5,687.37 = 2,352.86 : x
  2. Step 2: Convert to fraction form
    4,120.98/5,687.37 = 2,352.86/x
  3. Step 3: Cross multiply
    4,120.98x = 5,687.37 × 2,352.86
  4. Step 4: Simplify right side
    4,120.98x = 13,381,556.94
  5. Step 5: Solve for x
    x = 13,381,556.94/4,120.98
  6. Step 6: Final answer
    x = 3,247.18

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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.