Home / 3,782.31-5,669.55-2,739.74

Finding the Fourth Proportional to 3,782.31, 5,669.55 and 2,739.74

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Solution

The fourth proportional to 3,782.31, 5,669.55 and 2,739.74 is: 4,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.31 : 5,669.55 = 2,739.74 : x
  2. Step 2: Convert to fraction form
    3,782.31/5,669.55 = 2,739.74/x
  3. Step 3: Cross multiply
    3,782.31x = 5,669.55 × 2,739.74
  4. Step 4: Simplify right side
    3,782.31x = 15,533,064.57
  5. Step 5: Solve for x
    x = 15,533,064.57/3,782.31
  6. Step 6: Final answer
    x = 4,106.77

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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.