Home / 2,213.13-3,053.49-1,373.88

Finding the Fourth Proportional to 2,213.13, 3,053.49 and 1,373.88

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Solution

The fourth proportional to 2,213.13, 3,053.49 and 1,373.88 is: 1,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.13 : 3,053.49 = 1,373.88 : x
  2. Step 2: Convert to fraction form
    2,213.13/3,053.49 = 1,373.88/x
  3. Step 3: Cross multiply
    2,213.13x = 3,053.49 × 1,373.88
  4. Step 4: Simplify right side
    2,213.13x = 4,195,128.84
  5. Step 5: Solve for x
    x = 4,195,128.84/2,213.13
  6. Step 6: Final answer
    x = 1,895.56

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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.