Home / 2,946.12-4,414.24-2,078.64

Finding the Fourth Proportional to 2,946.12, 4,414.24 and 2,078.64

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Solution

The fourth proportional to 2,946.12, 4,414.24 and 2,078.64 is: 3,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.12 : 4,414.24 = 2,078.64 : x
  2. Step 2: Convert to fraction form
    2,946.12/4,414.24 = 2,078.64/x
  3. Step 3: Cross multiply
    2,946.12x = 4,414.24 × 2,078.64
  4. Step 4: Simplify right side
    2,946.12x = 9,175,615.83
  5. Step 5: Solve for x
    x = 9,175,615.83/2,946.12
  6. Step 6: Final answer
    x = 3,114.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.