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Finding the Fourth Proportional to 3,165.96, 4,369.95 and 1,840.26

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Solution

The fourth proportional to 3,165.96, 4,369.95 and 1,840.26 is: 2,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.96 : 4,369.95 = 1,840.26 : x
  2. Step 2: Convert to fraction form
    3,165.96/4,369.95 = 1,840.26/x
  3. Step 3: Cross multiply
    3,165.96x = 4,369.95 × 1,840.26
  4. Step 4: Simplify right side
    3,165.96x = 8,041,844.19
  5. Step 5: Solve for x
    x = 8,041,844.19/3,165.96
  6. Step 6: Final answer
    x = 2,540.10

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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.