Home / 2,485.46-3,720.90-1,742.48

Finding the Fourth Proportional to 2,485.46, 3,720.90 and 1,742.48

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Solution

The fourth proportional to 2,485.46, 3,720.90 and 1,742.48 is: 2,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.46 : 3,720.90 = 1,742.48 : x
  2. Step 2: Convert to fraction form
    2,485.46/3,720.90 = 1,742.48/x
  3. Step 3: Cross multiply
    2,485.46x = 3,720.90 × 1,742.48
  4. Step 4: Simplify right side
    2,485.46x = 6,483,593.83
  5. Step 5: Solve for x
    x = 6,483,593.83/2,485.46
  6. Step 6: Final answer
    x = 2,608.61

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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.