Home / 2,211.39-3,317.17-730.65

Finding the Fourth Proportional to 2,211.39, 3,317.17 and 730.65

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Solution

The fourth proportional to 2,211.39, 3,317.17 and 730.65 is: 1,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.39 : 3,317.17 = 730.65 : x
  2. Step 2: Convert to fraction form
    2,211.39/3,317.17 = 730.65/x
  3. Step 3: Cross multiply
    2,211.39x = 3,317.17 × 730.65
  4. Step 4: Simplify right side
    2,211.39x = 2,423,690.26
  5. Step 5: Solve for x
    x = 2,423,690.26/2,211.39
  6. Step 6: Final answer
    x = 1,096.00

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1.5x scale

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.