Home / 3,264.31-4,892.14-1,779.72

Finding the Fourth Proportional to 3,264.31, 4,892.14 and 1,779.72

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Solution

The fourth proportional to 3,264.31, 4,892.14 and 1,779.72 is: 2,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.31 : 4,892.14 = 1,779.72 : x
  2. Step 2: Convert to fraction form
    3,264.31/4,892.14 = 1,779.72/x
  3. Step 3: Cross multiply
    3,264.31x = 4,892.14 × 1,779.72
  4. Step 4: Simplify right side
    3,264.31x = 8,706,639.40
  5. Step 5: Solve for x
    x = 8,706,639.40/3,264.31
  6. Step 6: Final answer
    x = 2,667.22

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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.