Home / 2,704.99-4,056.67-1,405.75

Finding the Fourth Proportional to 2,704.99, 4,056.67 and 1,405.75

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Solution

The fourth proportional to 2,704.99, 4,056.67 and 1,405.75 is: 2,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.99 : 4,056.67 = 1,405.75 : x
  2. Step 2: Convert to fraction form
    2,704.99/4,056.67 = 1,405.75/x
  3. Step 3: Cross multiply
    2,704.99x = 4,056.67 × 1,405.75
  4. Step 4: Simplify right side
    2,704.99x = 5,702,663.85
  5. Step 5: Solve for x
    x = 5,702,663.85/2,704.99
  6. Step 6: Final answer
    x = 2,108.20

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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.