Home / 3,124.16-4,311.35-1,797.84

Finding the Fourth Proportional to 3,124.16, 4,311.35 and 1,797.84

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Solution

The fourth proportional to 3,124.16, 4,311.35 and 1,797.84 is: 2,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.16 : 4,311.35 = 1,797.84 : x
  2. Step 2: Convert to fraction form
    3,124.16/4,311.35 = 1,797.84/x
  3. Step 3: Cross multiply
    3,124.16x = 4,311.35 × 1,797.84
  4. Step 4: Simplify right side
    3,124.16x = 7,751,108.49
  5. Step 5: Solve for x
    x = 7,751,108.49/3,124.16
  6. Step 6: Final answer
    x = 2,481.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.