Home / 2,213.04-3,320.16-914.64

Finding the Fourth Proportional to 2,213.04, 3,320.16 and 914.64

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Solution

The fourth proportional to 2,213.04, 3,320.16 and 914.64 is: 1,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.04 : 3,320.16 = 914.64 : x
  2. Step 2: Convert to fraction form
    2,213.04/3,320.16 = 914.64/x
  3. Step 3: Cross multiply
    2,213.04x = 3,320.16 × 914.64
  4. Step 4: Simplify right side
    2,213.04x = 3,036,751.14
  5. Step 5: Solve for x
    x = 3,036,751.14/2,213.04
  6. Step 6: Final answer
    x = 1,372.21

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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.