Home / 3,131.29-4,697.49-1,051.97

Finding the Fourth Proportional to 3,131.29, 4,697.49 and 1,051.97

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Solution

The fourth proportional to 3,131.29, 4,697.49 and 1,051.97 is: 1,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.29 : 4,697.49 = 1,051.97 : x
  2. Step 2: Convert to fraction form
    3,131.29/4,697.49 = 1,051.97/x
  3. Step 3: Cross multiply
    3,131.29x = 4,697.49 × 1,051.97
  4. Step 4: Simplify right side
    3,131.29x = 4,941,618.56
  5. Step 5: Solve for x
    x = 4,941,618.56/3,131.29
  6. Step 6: Final answer
    x = 1,578.14

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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.