Home / 2,958.89-4,438.32-1,011.11

Finding the Fourth Proportional to 2,958.89, 4,438.32 and 1,011.11

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Solution

The fourth proportional to 2,958.89, 4,438.32 and 1,011.11 is: 1,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.89 : 4,438.32 = 1,011.11 : x
  2. Step 2: Convert to fraction form
    2,958.89/4,438.32 = 1,011.11/x
  3. Step 3: Cross multiply
    2,958.89x = 4,438.32 × 1,011.11
  4. Step 4: Simplify right side
    2,958.89x = 4,487,607.54
  5. Step 5: Solve for x
    x = 4,487,607.54/2,958.89
  6. Step 6: Final answer
    x = 1,516.65

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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.