Home / 2,704.95-4,057.46-1,405.50

Finding the Fourth Proportional to 2,704.95, 4,057.46 and 1,405.50

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Solution

The fourth proportional to 2,704.95, 4,057.46 and 1,405.50 is: 2,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.95 : 4,057.46 = 1,405.50 : x
  2. Step 2: Convert to fraction form
    2,704.95/4,057.46 = 1,405.50/x
  3. Step 3: Cross multiply
    2,704.95x = 4,057.46 × 1,405.50
  4. Step 4: Simplify right side
    2,704.95x = 5,702,753.00
  5. Step 5: Solve for x
    x = 5,702,753.00/2,704.95
  6. Step 6: Final answer
    x = 2,108.27

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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.