Home / 4,121.35-6,181.31-1,655.51

Finding the Fourth Proportional to 4,121.35, 6,181.31 and 1,655.51

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Solution

The fourth proportional to 4,121.35, 6,181.31 and 1,655.51 is: 2,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.35 : 6,181.31 = 1,655.51 : x
  2. Step 2: Convert to fraction form
    4,121.35/6,181.31 = 1,655.51/x
  3. Step 3: Cross multiply
    4,121.35x = 6,181.31 × 1,655.51
  4. Step 4: Simplify right side
    4,121.35x = 10,233,193.75
  5. Step 5: Solve for x
    x = 10,233,193.75/4,121.35
  6. Step 6: Final answer
    x = 2,482.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.