Home / 3,392.90-4,682.16-2,066.60

Finding the Fourth Proportional to 3,392.90, 4,682.16 and 2,066.60

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Solution

The fourth proportional to 3,392.90, 4,682.16 and 2,066.60 is: 2,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.90 : 4,682.16 = 2,066.60 : x
  2. Step 2: Convert to fraction form
    3,392.90/4,682.16 = 2,066.60/x
  3. Step 3: Cross multiply
    3,392.90x = 4,682.16 × 2,066.60
  4. Step 4: Simplify right side
    3,392.90x = 9,676,151.86
  5. Step 5: Solve for x
    x = 9,676,151.86/3,392.90
  6. Step 6: Final answer
    x = 2,851.88

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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.