Home / 2,651.03-3,975.17-1,188.92

Finding the Fourth Proportional to 2,651.03, 3,975.17 and 1,188.92

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Solution

The fourth proportional to 2,651.03, 3,975.17 and 1,188.92 is: 1,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.03 : 3,975.17 = 1,188.92 : x
  2. Step 2: Convert to fraction form
    2,651.03/3,975.17 = 1,188.92/x
  3. Step 3: Cross multiply
    2,651.03x = 3,975.17 × 1,188.92
  4. Step 4: Simplify right side
    2,651.03x = 4,726,153.17
  5. Step 5: Solve for x
    x = 4,726,153.17/2,651.03
  6. Step 6: Final answer
    x = 1,782.76

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1.5x scale

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.