Home / 3,131.29-4,697.29-1,051.44

Finding the Fourth Proportional to 3,131.29, 4,697.29 and 1,051.44

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Solution

The fourth proportional to 3,131.29, 4,697.29 and 1,051.44 is: 1,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.29 : 4,697.29 = 1,051.44 : x
  2. Step 2: Convert to fraction form
    3,131.29/4,697.29 = 1,051.44/x
  3. Step 3: Cross multiply
    3,131.29x = 4,697.29 × 1,051.44
  4. Step 4: Simplify right side
    3,131.29x = 4,938,919.91
  5. Step 5: Solve for x
    x = 4,938,919.91/3,131.29
  6. Step 6: Final answer
    x = 1,577.28

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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.