Home / 4,153.72-6,231.20-1,231.68

Finding the Fourth Proportional to 4,153.72, 6,231.20 and 1,231.68

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Solution

The fourth proportional to 4,153.72, 6,231.20 and 1,231.68 is: 1,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.72 : 6,231.20 = 1,231.68 : x
  2. Step 2: Convert to fraction form
    4,153.72/6,231.20 = 1,231.68/x
  3. Step 3: Cross multiply
    4,153.72x = 6,231.20 × 1,231.68
  4. Step 4: Simplify right side
    4,153.72x = 7,674,844.42
  5. Step 5: Solve for x
    x = 7,674,844.42/4,153.72
  6. Step 6: Final answer
    x = 1,847.70

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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.