Home / 2,181.98-3,284.96-1,923.46

Finding the Fourth Proportional to 2,181.98, 3,284.96 and 1,923.46

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Solution

The fourth proportional to 2,181.98, 3,284.96 and 1,923.46 is: 2,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.98 : 3,284.96 = 1,923.46 : x
  2. Step 2: Convert to fraction form
    2,181.98/3,284.96 = 1,923.46/x
  3. Step 3: Cross multiply
    2,181.98x = 3,284.96 × 1,923.46
  4. Step 4: Simplify right side
    2,181.98x = 6,318,489.16
  5. Step 5: Solve for x
    x = 6,318,489.16/2,181.98
  6. Step 6: Final answer
    x = 2,895.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.