Home / 3,569.78-4,926.30-1,997.86

Finding the Fourth Proportional to 3,569.78, 4,926.30 and 1,997.86

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Solution

The fourth proportional to 3,569.78, 4,926.30 and 1,997.86 is: 2,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.78 : 4,926.30 = 1,997.86 : x
  2. Step 2: Convert to fraction form
    3,569.78/4,926.30 = 1,997.86/x
  3. Step 3: Cross multiply
    3,569.78x = 4,926.30 × 1,997.86
  4. Step 4: Simplify right side
    3,569.78x = 9,842,057.72
  5. Step 5: Solve for x
    x = 9,842,057.72/3,569.78
  6. Step 6: Final answer
    x = 2,757.05

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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.