Home / 2,486.08-3,431.06-1,491.60

Finding the Fourth Proportional to 2,486.08, 3,431.06 and 1,491.60

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Solution

The fourth proportional to 2,486.08, 3,431.06 and 1,491.60 is: 2,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.08 : 3,431.06 = 1,491.60 : x
  2. Step 2: Convert to fraction form
    2,486.08/3,431.06 = 1,491.60/x
  3. Step 3: Cross multiply
    2,486.08x = 3,431.06 × 1,491.60
  4. Step 4: Simplify right side
    2,486.08x = 5,117,761.64
  5. Step 5: Solve for x
    x = 5,117,761.64/2,486.08
  6. Step 6: Final answer
    x = 2,058.57

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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.