Home / 3,311.07-4,966.61-1,002.57

Finding the Fourth Proportional to 3,311.07, 4,966.61 and 1,002.57

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Solution

The fourth proportional to 3,311.07, 4,966.61 and 1,002.57 is: 1,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.07 : 4,966.61 = 1,002.57 : x
  2. Step 2: Convert to fraction form
    3,311.07/4,966.61 = 1,002.57/x
  3. Step 3: Cross multiply
    3,311.07x = 4,966.61 × 1,002.57
  4. Step 4: Simplify right side
    3,311.07x = 4,979,369.17
  5. Step 5: Solve for x
    x = 4,979,369.17/3,311.07
  6. Step 6: Final answer
    x = 1,503.86

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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.