Home / 2,325.76-3,209.44-1,277.92

Finding the Fourth Proportional to 2,325.76, 3,209.44 and 1,277.92

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Solution

The fourth proportional to 2,325.76, 3,209.44 and 1,277.92 is: 1,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.76 : 3,209.44 = 1,277.92 : x
  2. Step 2: Convert to fraction form
    2,325.76/3,209.44 = 1,277.92/x
  3. Step 3: Cross multiply
    2,325.76x = 3,209.44 × 1,277.92
  4. Step 4: Simplify right side
    2,325.76x = 4,101,407.56
  5. Step 5: Solve for x
    x = 4,101,407.56/2,325.76
  6. Step 6: Final answer
    x = 1,763.47

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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.