Home / 3,659.31-5,050.80-2,261.25

Finding the Fourth Proportional to 3,659.31, 5,050.80 and 2,261.25

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Solution

The fourth proportional to 3,659.31, 5,050.80 and 2,261.25 is: 3,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.31 : 5,050.80 = 2,261.25 : x
  2. Step 2: Convert to fraction form
    3,659.31/5,050.80 = 2,261.25/x
  3. Step 3: Cross multiply
    3,659.31x = 5,050.80 × 2,261.25
  4. Step 4: Simplify right side
    3,659.31x = 11,421,121.50
  5. Step 5: Solve for x
    x = 11,421,121.50/3,659.31
  6. Step 6: Final answer
    x = 3,121.11

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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.