Home / 2,622.78-3,615.66-2,061

Finding the Fourth Proportional to 2,622.78, 3,615.66 and 2,061

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Solution

The fourth proportional to 2,622.78, 3,615.66 and 2,061 is: 2,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.78 : 3,615.66 = 2,061 : x
  2. Step 2: Convert to fraction form
    2,622.78/3,615.66 = 2,061/x
  3. Step 3: Cross multiply
    2,622.78x = 3,615.66 × 2,061
  4. Step 4: Simplify right side
    2,622.78x = 7,451,875.26
  5. Step 5: Solve for x
    x = 7,451,875.26/2,622.78
  6. Step 6: Final answer
    x = 2,841.21

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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.