Home / 4,121.34-5,689.65-2,550.36

Finding the Fourth Proportional to 4,121.34, 5,689.65 and 2,550.36

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Solution

The fourth proportional to 4,121.34, 5,689.65 and 2,550.36 is: 3,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.34 : 5,689.65 = 2,550.36 : x
  2. Step 2: Convert to fraction form
    4,121.34/5,689.65 = 2,550.36/x
  3. Step 3: Cross multiply
    4,121.34x = 5,689.65 × 2,550.36
  4. Step 4: Simplify right side
    4,121.34x = 14,510,655.77
  5. Step 5: Solve for x
    x = 14,510,655.77/4,121.34
  6. Step 6: Final answer
    x = 3,520.86

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Half scale
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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.