Home / 3,946.05-5,445.32-2,267.42

Finding the Fourth Proportional to 3,946.05, 5,445.32 and 2,267.42

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Solution

The fourth proportional to 3,946.05, 5,445.32 and 2,267.42 is: 3,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.05 : 5,445.32 = 2,267.42 : x
  2. Step 2: Convert to fraction form
    3,946.05/5,445.32 = 2,267.42/x
  3. Step 3: Cross multiply
    3,946.05x = 5,445.32 × 2,267.42
  4. Step 4: Simplify right side
    3,946.05x = 12,346,788.91
  5. Step 5: Solve for x
    x = 12,346,788.91/3,946.05
  6. Step 6: Final answer
    x = 3,128.90

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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.