Home / 3,260.25-4,499.96-1,863.81

Finding the Fourth Proportional to 3,260.25, 4,499.96 and 1,863.81

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Solution

The fourth proportional to 3,260.25, 4,499.96 and 1,863.81 is: 2,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.25 : 4,499.96 = 1,863.81 : x
  2. Step 2: Convert to fraction form
    3,260.25/4,499.96 = 1,863.81/x
  3. Step 3: Cross multiply
    3,260.25x = 4,499.96 × 1,863.81
  4. Step 4: Simplify right side
    3,260.25x = 8,387,061.13
  5. Step 5: Solve for x
    x = 8,387,061.13/3,260.25
  6. Step 6: Final answer
    x = 2,572.52

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1.5x scale

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.