Home / 3,151.20-4,726.69-1,300.94

Finding the Fourth Proportional to 3,151.20, 4,726.69 and 1,300.94

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Solution

The fourth proportional to 3,151.20, 4,726.69 and 1,300.94 is: 1,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.20 : 4,726.69 = 1,300.94 : x
  2. Step 2: Convert to fraction form
    3,151.20/4,726.69 = 1,300.94/x
  3. Step 3: Cross multiply
    3,151.20x = 4,726.69 × 1,300.94
  4. Step 4: Simplify right side
    3,151.20x = 6,149,130.93
  5. Step 5: Solve for x
    x = 6,149,130.93/3,151.20
  6. Step 6: Final answer
    x = 1,951.36

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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.