Home / 4,152.89-6,231.81-1,687.52

Finding the Fourth Proportional to 4,152.89, 6,231.81 and 1,687.52

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Solution

The fourth proportional to 4,152.89, 6,231.81 and 1,687.52 is: 2,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.89 : 6,231.81 = 1,687.52 : x
  2. Step 2: Convert to fraction form
    4,152.89/6,231.81 = 1,687.52/x
  3. Step 3: Cross multiply
    4,152.89x = 6,231.81 × 1,687.52
  4. Step 4: Simplify right side
    4,152.89x = 10,516,272.85
  5. Step 5: Solve for x
    x = 10,516,272.85/4,152.89
  6. Step 6: Final answer
    x = 2,532.28

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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.