Home / 2,057.09-3,087.21-1,531.18

Finding the Fourth Proportional to 2,057.09, 3,087.21 and 1,531.18

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Solution

The fourth proportional to 2,057.09, 3,087.21 and 1,531.18 is: 2,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.09 : 3,087.21 = 1,531.18 : x
  2. Step 2: Convert to fraction form
    2,057.09/3,087.21 = 1,531.18/x
  3. Step 3: Cross multiply
    2,057.09x = 3,087.21 × 1,531.18
  4. Step 4: Simplify right side
    2,057.09x = 4,727,066.49
  5. Step 5: Solve for x
    x = 4,727,066.49/2,057.09
  6. Step 6: Final answer
    x = 2,297.94

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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.