Home / 2,501.19-3,742.92-2,158.56

Finding the Fourth Proportional to 2,501.19, 3,742.92 and 2,158.56

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Solution

The fourth proportional to 2,501.19, 3,742.92 and 2,158.56 is: 3,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.19 : 3,742.92 = 2,158.56 : x
  2. Step 2: Convert to fraction form
    2,501.19/3,742.92 = 2,158.56/x
  3. Step 3: Cross multiply
    2,501.19x = 3,742.92 × 2,158.56
  4. Step 4: Simplify right side
    2,501.19x = 8,079,317.40
  5. Step 5: Solve for x
    x = 8,079,317.40/2,501.19
  6. Step 6: Final answer
    x = 3,230.19

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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.