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Finding the Fourth Proportional to 3,500.41, 4,822.12 and 2,940.90

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Solution

The fourth proportional to 3,500.41, 4,822.12 and 2,940.90 is: 4,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.41 : 4,822.12 = 2,940.90 : x
  2. Step 2: Convert to fraction form
    3,500.41/4,822.12 = 2,940.90/x
  3. Step 3: Cross multiply
    3,500.41x = 4,822.12 × 2,940.90
  4. Step 4: Simplify right side
    3,500.41x = 14,181,358.00
  5. Step 5: Solve for x
    x = 14,181,358.00/3,500.41
  6. Step 6: Final answer
    x = 4,051.34

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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.