Home / 3,946.16-5,445.96-2,550.80

Finding the Fourth Proportional to 3,946.16, 5,445.96 and 2,550.80

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Solution

The fourth proportional to 3,946.16, 5,445.96 and 2,550.80 is: 3,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.16 : 5,445.96 = 2,550.80 : x
  2. Step 2: Convert to fraction form
    3,946.16/5,445.96 = 2,550.80/x
  3. Step 3: Cross multiply
    3,946.16x = 5,445.96 × 2,550.80
  4. Step 4: Simplify right side
    3,946.16x = 13,891,554.77
  5. Step 5: Solve for x
    x = 13,891,554.77/3,946.16
  6. Step 6: Final answer
    x = 3,520.27

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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.