Home / 1,331.13-2,006.66-1,241.93

Finding the Fourth Proportional to 1,331.13, 2,006.66 and 1,241.93

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Solution

The fourth proportional to 1,331.13, 2,006.66 and 1,241.93 is: 1,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.13 : 2,006.66 = 1,241.93 : x
  2. Step 2: Convert to fraction form
    1,331.13/2,006.66 = 1,241.93/x
  3. Step 3: Cross multiply
    1,331.13x = 2,006.66 × 1,241.93
  4. Step 4: Simplify right side
    1,331.13x = 2,492,131.25
  5. Step 5: Solve for x
    x = 2,492,131.25/1,331.13
  6. Step 6: Final answer
    x = 1,872.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.