Home / 2,213.46-3,051.72-1,813.64

Finding the Fourth Proportional to 2,213.46, 3,051.72 and 1,813.64

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Solution

The fourth proportional to 2,213.46, 3,051.72 and 1,813.64 is: 2,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.46 : 3,051.72 = 1,813.64 : x
  2. Step 2: Convert to fraction form
    2,213.46/3,051.72 = 1,813.64/x
  3. Step 3: Cross multiply
    2,213.46x = 3,051.72 × 1,813.64
  4. Step 4: Simplify right side
    2,213.46x = 5,534,706.20
  5. Step 5: Solve for x
    x = 5,534,706.20/2,213.46
  6. Step 6: Final answer
    x = 2,500.48

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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.