Home / 3,355.12-4,629.96-1,863

Finding the Fourth Proportional to 3,355.12, 4,629.96 and 1,863

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Solution

The fourth proportional to 3,355.12, 4,629.96 and 1,863 is: 2,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.12 : 4,629.96 = 1,863 : x
  2. Step 2: Convert to fraction form
    3,355.12/4,629.96 = 1,863/x
  3. Step 3: Cross multiply
    3,355.12x = 4,629.96 × 1,863
  4. Step 4: Simplify right side
    3,355.12x = 8,625,615.48
  5. Step 5: Solve for x
    x = 8,625,615.48/3,355.12
  6. Step 6: Final answer
    x = 2,570.88

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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.