Home / 2,486.16-3,431.19-1,491.54

Finding the Fourth Proportional to 2,486.16, 3,431.19 and 1,491.54

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Solution

The fourth proportional to 2,486.16, 3,431.19 and 1,491.54 is: 2,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.16 : 3,431.19 = 1,491.54 : x
  2. Step 2: Convert to fraction form
    2,486.16/3,431.19 = 1,491.54/x
  3. Step 3: Cross multiply
    2,486.16x = 3,431.19 × 1,491.54
  4. Step 4: Simplify right side
    2,486.16x = 5,117,757.13
  5. Step 5: Solve for x
    x = 5,117,757.13/2,486.16
  6. Step 6: Final answer
    x = 2,058.50

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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.