Home / 2,061.80-2,845.30-1,177.64

Finding the Fourth Proportional to 2,061.80, 2,845.30 and 1,177.64

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Solution

The fourth proportional to 2,061.80, 2,845.30 and 1,177.64 is: 1,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.80 : 2,845.30 = 1,177.64 : x
  2. Step 2: Convert to fraction form
    2,061.80/2,845.30 = 1,177.64/x
  3. Step 3: Cross multiply
    2,061.80x = 2,845.30 × 1,177.64
  4. Step 4: Simplify right side
    2,061.80x = 3,350,739.09
  5. Step 5: Solve for x
    x = 3,350,739.09/2,061.80
  6. Step 6: Final answer
    x = 1,625.15

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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.