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Finding the Fourth Proportional to 2,041.80, 3,062.37 and 808.86

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Solution

The fourth proportional to 2,041.80, 3,062.37 and 808.86 is: 1,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.80 : 3,062.37 = 808.86 : x
  2. Step 2: Convert to fraction form
    2,041.80/3,062.37 = 808.86/x
  3. Step 3: Cross multiply
    2,041.80x = 3,062.37 × 808.86
  4. Step 4: Simplify right side
    2,041.80x = 2,477,028.60
  5. Step 5: Solve for x
    x = 2,477,028.60/2,041.80
  6. Step 6: Final answer
    x = 1,213.16

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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.