Home / 3,153.32-4,730.66-961.98

Finding the Fourth Proportional to 3,153.32, 4,730.66 and 961.98

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Solution

The fourth proportional to 3,153.32, 4,730.66 and 961.98 is: 1,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.32 : 4,730.66 = 961.98 : x
  2. Step 2: Convert to fraction form
    3,153.32/4,730.66 = 961.98/x
  3. Step 3: Cross multiply
    3,153.32x = 4,730.66 × 961.98
  4. Step 4: Simplify right side
    3,153.32x = 4,550,799.10
  5. Step 5: Solve for x
    x = 4,550,799.10/3,153.32
  6. Step 6: Final answer
    x = 1,443.18

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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.