Home / 2,372.29-3,558.51-1,139.44

Finding the Fourth Proportional to 2,372.29, 3,558.51 and 1,139.44

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Solution

The fourth proportional to 2,372.29, 3,558.51 and 1,139.44 is: 1,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.29 : 3,558.51 = 1,139.44 : x
  2. Step 2: Convert to fraction form
    2,372.29/3,558.51 = 1,139.44/x
  3. Step 3: Cross multiply
    2,372.29x = 3,558.51 × 1,139.44
  4. Step 4: Simplify right side
    2,372.29x = 4,054,713.21
  5. Step 5: Solve for x
    x = 4,054,713.21/2,372.29
  6. Step 6: Final answer
    x = 1,709.20

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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.