Home / 2,325.42-3,209.09-1,277.55

Finding the Fourth Proportional to 2,325.42, 3,209.09 and 1,277.55

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Solution

The fourth proportional to 2,325.42, 3,209.09 and 1,277.55 is: 1,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.42 : 3,209.09 = 1,277.55 : x
  2. Step 2: Convert to fraction form
    2,325.42/3,209.09 = 1,277.55/x
  3. Step 3: Cross multiply
    2,325.42x = 3,209.09 × 1,277.55
  4. Step 4: Simplify right side
    2,325.42x = 4,099,766.54
  5. Step 5: Solve for x
    x = 4,099,766.54/2,325.42
  6. Step 6: Final answer
    x = 1,763.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.