Home / 2,213.52-3,054.52-1,329.12

Finding the Fourth Proportional to 2,213.52, 3,054.52 and 1,329.12

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Solution

The fourth proportional to 2,213.52, 3,054.52 and 1,329.12 is: 1,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.52 : 3,054.52 = 1,329.12 : x
  2. Step 2: Convert to fraction form
    2,213.52/3,054.52 = 1,329.12/x
  3. Step 3: Cross multiply
    2,213.52x = 3,054.52 × 1,329.12
  4. Step 4: Simplify right side
    2,213.52x = 4,059,823.62
  5. Step 5: Solve for x
    x = 4,059,823.62/2,213.52
  6. Step 6: Final answer
    x = 1,834.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.