Home / 3,153.16-4,730.01-961.91

Finding the Fourth Proportional to 3,153.16, 4,730.01 and 961.91

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Solution

The fourth proportional to 3,153.16, 4,730.01 and 961.91 is: 1,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.16 : 4,730.01 = 961.91 : x
  2. Step 2: Convert to fraction form
    3,153.16/4,730.01 = 961.91/x
  3. Step 3: Cross multiply
    3,153.16x = 4,730.01 × 961.91
  4. Step 4: Simplify right side
    3,153.16x = 4,549,843.92
  5. Step 5: Solve for x
    x = 4,549,843.92/3,153.16
  6. Step 6: Final answer
    x = 1,442.95

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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.