Home / 3,487.92-5,232.56-1,236.66

Finding the Fourth Proportional to 3,487.92, 5,232.56 and 1,236.66

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Solution

The fourth proportional to 3,487.92, 5,232.56 and 1,236.66 is: 1,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.92 : 5,232.56 = 1,236.66 : x
  2. Step 2: Convert to fraction form
    3,487.92/5,232.56 = 1,236.66/x
  3. Step 3: Cross multiply
    3,487.92x = 5,232.56 × 1,236.66
  4. Step 4: Simplify right side
    3,487.92x = 6,470,897.65
  5. Step 5: Solve for x
    x = 6,470,897.65/3,487.92
  6. Step 6: Final answer
    x = 1,855.23

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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.