Home / 3,946.04-5,445.92-2,949.59

Finding the Fourth Proportional to 3,946.04, 5,445.92 and 2,949.59

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Solution

The fourth proportional to 3,946.04, 5,445.92 and 2,949.59 is: 4,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.04 : 5,445.92 = 2,949.59 : x
  2. Step 2: Convert to fraction form
    3,946.04/5,445.92 = 2,949.59/x
  3. Step 3: Cross multiply
    3,946.04x = 5,445.92 × 2,949.59
  4. Step 4: Simplify right side
    3,946.04x = 16,063,231.17
  5. Step 5: Solve for x
    x = 16,063,231.17/3,946.04
  6. Step 6: Final answer
    x = 4,070.72

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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.