Home / 3,256.15-4,884.01-1,405.96

Finding the Fourth Proportional to 3,256.15, 4,884.01 and 1,405.96

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Solution

The fourth proportional to 3,256.15, 4,884.01 and 1,405.96 is: 2,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.15 : 4,884.01 = 1,405.96 : x
  2. Step 2: Convert to fraction form
    3,256.15/4,884.01 = 1,405.96/x
  3. Step 3: Cross multiply
    3,256.15x = 4,884.01 × 1,405.96
  4. Step 4: Simplify right side
    3,256.15x = 6,866,722.70
  5. Step 5: Solve for x
    x = 6,866,722.70/3,256.15
  6. Step 6: Final answer
    x = 2,108.85

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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.