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Finding the Fourth Proportional to 3,099.66, 4,276.98 and 1,840.92

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Solution

The fourth proportional to 3,099.66, 4,276.98 and 1,840.92 is: 2,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.66 : 4,276.98 = 1,840.92 : x
  2. Step 2: Convert to fraction form
    3,099.66/4,276.98 = 1,840.92/x
  3. Step 3: Cross multiply
    3,099.66x = 4,276.98 × 1,840.92
  4. Step 4: Simplify right side
    3,099.66x = 7,873,578.02
  5. Step 5: Solve for x
    x = 7,873,578.02/3,099.66
  6. Step 6: Final answer
    x = 2,540.14

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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.