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Finding the Fourth Proportional to 3,073.02, 4,609.52 and 1,840.80

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Solution

The fourth proportional to 3,073.02, 4,609.52 and 1,840.80 is: 2,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.02 : 4,609.52 = 1,840.80 : x
  2. Step 2: Convert to fraction form
    3,073.02/4,609.52 = 1,840.80/x
  3. Step 3: Cross multiply
    3,073.02x = 4,609.52 × 1,840.80
  4. Step 4: Simplify right side
    3,073.02x = 8,485,204.42
  5. Step 5: Solve for x
    x = 8,485,204.42/3,073.02
  6. Step 6: Final answer
    x = 2,761.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.