Home / 3,317.32-4,976.64-1,125.96

Finding the Fourth Proportional to 3,317.32, 4,976.64 and 1,125.96

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Solution

The fourth proportional to 3,317.32, 4,976.64 and 1,125.96 is: 1,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.32 : 4,976.64 = 1,125.96 : x
  2. Step 2: Convert to fraction form
    3,317.32/4,976.64 = 1,125.96/x
  3. Step 3: Cross multiply
    3,317.32x = 4,976.64 × 1,125.96
  4. Step 4: Simplify right side
    3,317.32x = 5,603,497.57
  5. Step 5: Solve for x
    x = 5,603,497.57/3,317.32
  6. Step 6: Final answer
    x = 1,689.16

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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.