Home / 4,151.19-6,228.95-1,687.83

Finding the Fourth Proportional to 4,151.19, 6,228.95 and 1,687.83

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Solution

The fourth proportional to 4,151.19, 6,228.95 and 1,687.83 is: 2,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.19 : 6,228.95 = 1,687.83 : x
  2. Step 2: Convert to fraction form
    4,151.19/6,228.95 = 1,687.83/x
  3. Step 3: Cross multiply
    4,151.19x = 6,228.95 × 1,687.83
  4. Step 4: Simplify right side
    4,151.19x = 10,513,408.68
  5. Step 5: Solve for x
    x = 10,513,408.68/4,151.19
  6. Step 6: Final answer
    x = 2,532.63

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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.