Home / 3,779.84-5,653.56-3,151.28

Finding the Fourth Proportional to 3,779.84, 5,653.56 and 3,151.28

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Solution

The fourth proportional to 3,779.84, 5,653.56 and 3,151.28 is: 4,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.84 : 5,653.56 = 3,151.28 : x
  2. Step 2: Convert to fraction form
    3,779.84/5,653.56 = 3,151.28/x
  3. Step 3: Cross multiply
    3,779.84x = 5,653.56 × 3,151.28
  4. Step 4: Simplify right side
    3,779.84x = 17,815,950.56
  5. Step 5: Solve for x
    x = 17,815,950.56/3,779.84
  6. Step 6: Final answer
    x = 4,713.41

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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.