Home / 2,008.89-2,773.56-1,379.22

Finding the Fourth Proportional to 2,008.89, 2,773.56 and 1,379.22

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Solution

The fourth proportional to 2,008.89, 2,773.56 and 1,379.22 is: 1,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.89 : 2,773.56 = 1,379.22 : x
  2. Step 2: Convert to fraction form
    2,008.89/2,773.56 = 1,379.22/x
  3. Step 3: Cross multiply
    2,008.89x = 2,773.56 × 1,379.22
  4. Step 4: Simplify right side
    2,008.89x = 3,825,332.11
  5. Step 5: Solve for x
    x = 3,825,332.11/2,008.89
  6. Step 6: Final answer
    x = 1,904.20

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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.