Home / 3,739.10-5,605.61-2,812.86

Finding the Fourth Proportional to 3,739.10, 5,605.61 and 2,812.86

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Solution

The fourth proportional to 3,739.10, 5,605.61 and 2,812.86 is: 4,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.10 : 5,605.61 = 2,812.86 : x
  2. Step 2: Convert to fraction form
    3,739.10/5,605.61 = 2,812.86/x
  3. Step 3: Cross multiply
    3,739.10x = 5,605.61 × 2,812.86
  4. Step 4: Simplify right side
    3,739.10x = 15,767,782.08
  5. Step 5: Solve for x
    x = 15,767,782.08/3,739.10
  6. Step 6: Final answer
    x = 4,217.00

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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.