Home / 2,231.96-3,079.14-1,569.25

Finding the Fourth Proportional to 2,231.96, 3,079.14 and 1,569.25

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Solution

The fourth proportional to 2,231.96, 3,079.14 and 1,569.25 is: 2,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.96 : 3,079.14 = 1,569.25 : x
  2. Step 2: Convert to fraction form
    2,231.96/3,079.14 = 1,569.25/x
  3. Step 3: Cross multiply
    2,231.96x = 3,079.14 × 1,569.25
  4. Step 4: Simplify right side
    2,231.96x = 4,831,940.45
  5. Step 5: Solve for x
    x = 4,831,940.45/2,231.96
  6. Step 6: Final answer
    x = 2,164.89

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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.