Home / 2,325.80-3,209.57-1,277.86

Finding the Fourth Proportional to 2,325.80, 3,209.57 and 1,277.86

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Solution

The fourth proportional to 2,325.80, 3,209.57 and 1,277.86 is: 1,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.80 : 3,209.57 = 1,277.86 : x
  2. Step 2: Convert to fraction form
    2,325.80/3,209.57 = 1,277.86/x
  3. Step 3: Cross multiply
    2,325.80x = 3,209.57 × 1,277.86
  4. Step 4: Simplify right side
    2,325.80x = 4,101,365.07
  5. Step 5: Solve for x
    x = 4,101,365.07/2,325.80
  6. Step 6: Final answer
    x = 1,763.43

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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.