Home / 2,213.79-3,053.22-1,615.62

Finding the Fourth Proportional to 2,213.79, 3,053.22 and 1,615.62

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Solution

The fourth proportional to 2,213.79, 3,053.22 and 1,615.62 is: 2,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.79 : 3,053.22 = 1,615.62 : x
  2. Step 2: Convert to fraction form
    2,213.79/3,053.22 = 1,615.62/x
  3. Step 3: Cross multiply
    2,213.79x = 3,053.22 × 1,615.62
  4. Step 4: Simplify right side
    2,213.79x = 4,932,829.74
  5. Step 5: Solve for x
    x = 4,932,829.74/2,213.79
  6. Step 6: Final answer
    x = 2,228.22

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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.