Home / 3,100.96-4,652.52-1,370.80

Finding the Fourth Proportional to 3,100.96, 4,652.52 and 1,370.80

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Solution

The fourth proportional to 3,100.96, 4,652.52 and 1,370.80 is: 2,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.96 : 4,652.52 = 1,370.80 : x
  2. Step 2: Convert to fraction form
    3,100.96/4,652.52 = 1,370.80/x
  3. Step 3: Cross multiply
    3,100.96x = 4,652.52 × 1,370.80
  4. Step 4: Simplify right side
    3,100.96x = 6,377,674.42
  5. Step 5: Solve for x
    x = 6,377,674.42/3,100.96
  6. Step 6: Final answer
    x = 2,056.68

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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.