Home / 3,261.03-4,499.87-1,863.51

Finding the Fourth Proportional to 3,261.03, 4,499.87 and 1,863.51

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Solution

The fourth proportional to 3,261.03, 4,499.87 and 1,863.51 is: 2,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.03 : 4,499.87 = 1,863.51 : x
  2. Step 2: Convert to fraction form
    3,261.03/4,499.87 = 1,863.51/x
  3. Step 3: Cross multiply
    3,261.03x = 4,499.87 × 1,863.51
  4. Step 4: Simplify right side
    3,261.03x = 8,385,543.43
  5. Step 5: Solve for x
    x = 8,385,543.43/3,261.03
  6. Step 6: Final answer
    x = 2,571.44

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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.