Home / 3,435.80-4,741.38-1,863.88

Finding the Fourth Proportional to 3,435.80, 4,741.38 and 1,863.88

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Solution

The fourth proportional to 3,435.80, 4,741.38 and 1,863.88 is: 2,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.80 : 4,741.38 = 1,863.88 : x
  2. Step 2: Convert to fraction form
    3,435.80/4,741.38 = 1,863.88/x
  3. Step 3: Cross multiply
    3,435.80x = 4,741.38 × 1,863.88
  4. Step 4: Simplify right side
    3,435.80x = 8,837,363.35
  5. Step 5: Solve for x
    x = 8,837,363.35/3,435.80
  6. Step 6: Final answer
    x = 2,572.14

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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.