Home / 4,152.80-6,230.36-1,231.04

Finding the Fourth Proportional to 4,152.80, 6,230.36 and 1,231.04

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Solution

The fourth proportional to 4,152.80, 6,230.36 and 1,231.04 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.80 : 6,230.36 = 1,231.04 : x
  2. Step 2: Convert to fraction form
    4,152.80/6,230.36 = 1,231.04/x
  3. Step 3: Cross multiply
    4,152.80x = 6,230.36 × 1,231.04
  4. Step 4: Simplify right side
    4,152.80x = 7,669,822.37
  5. Step 5: Solve for x
    x = 7,669,822.37/4,152.80
  6. Step 6: Final answer
    x = 1,846.90

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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.