Home / 2,971.89-4,454.63-1,932.64

Finding the Fourth Proportional to 2,971.89, 4,454.63 and 1,932.64

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Solution

The fourth proportional to 2,971.89, 4,454.63 and 1,932.64 is: 2,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.89 : 4,454.63 = 1,932.64 : x
  2. Step 2: Convert to fraction form
    2,971.89/4,454.63 = 1,932.64/x
  3. Step 3: Cross multiply
    2,971.89x = 4,454.63 × 1,932.64
  4. Step 4: Simplify right side
    2,971.89x = 8,609,196.12
  5. Step 5: Solve for x
    x = 8,609,196.12/2,971.89
  6. Step 6: Final answer
    x = 2,896.88

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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.