Home / 2,213.23-3,319.58-897.57

Finding the Fourth Proportional to 2,213.23, 3,319.58 and 897.57

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Solution

The fourth proportional to 2,213.23, 3,319.58 and 897.57 is: 1,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.23 : 3,319.58 = 897.57 : x
  2. Step 2: Convert to fraction form
    2,213.23/3,319.58 = 897.57/x
  3. Step 3: Cross multiply
    2,213.23x = 3,319.58 × 897.57
  4. Step 4: Simplify right side
    2,213.23x = 2,979,549.16
  5. Step 5: Solve for x
    x = 2,979,549.16/2,213.23
  6. Step 6: Final answer
    x = 1,346.25

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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.