Home / 2,228.41-3,341.16-1,131.25

Finding the Fourth Proportional to 2,228.41, 3,341.16 and 1,131.25

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Solution

The fourth proportional to 2,228.41, 3,341.16 and 1,131.25 is: 1,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.41 : 3,341.16 = 1,131.25 : x
  2. Step 2: Convert to fraction form
    2,228.41/3,341.16 = 1,131.25/x
  3. Step 3: Cross multiply
    2,228.41x = 3,341.16 × 1,131.25
  4. Step 4: Simplify right side
    2,228.41x = 3,779,687.25
  5. Step 5: Solve for x
    x = 3,779,687.25/2,228.41
  6. Step 6: Final answer
    x = 1,696.14

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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.