Home / 3,157.26-4,357.14-1,760

Finding the Fourth Proportional to 3,157.26, 4,357.14 and 1,760

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Solution

The fourth proportional to 3,157.26, 4,357.14 and 1,760 is: 2,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.26 : 4,357.14 = 1,760 : x
  2. Step 2: Convert to fraction form
    3,157.26/4,357.14 = 1,760/x
  3. Step 3: Cross multiply
    3,157.26x = 4,357.14 × 1,760
  4. Step 4: Simplify right side
    3,157.26x = 7,668,566.40
  5. Step 5: Solve for x
    x = 7,668,566.40/3,157.26
  6. Step 6: Final answer
    x = 2,428.87

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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.