Home / 3,155.16-4,354.06-1,757.88

Finding the Fourth Proportional to 3,155.16, 4,354.06 and 1,757.88

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Solution

The fourth proportional to 3,155.16, 4,354.06 and 1,757.88 is: 2,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.16 : 4,354.06 = 1,757.88 : x
  2. Step 2: Convert to fraction form
    3,155.16/4,354.06 = 1,757.88/x
  3. Step 3: Cross multiply
    3,155.16x = 4,354.06 × 1,757.88
  4. Step 4: Simplify right side
    3,155.16x = 7,653,914.99
  5. Step 5: Solve for x
    x = 7,653,914.99/3,155.16
  6. Step 6: Final answer
    x = 2,425.84

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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.