Home / 2,890.44-3,984.66-2,061

Finding the Fourth Proportional to 2,890.44, 3,984.66 and 2,061

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Solution

The fourth proportional to 2,890.44, 3,984.66 and 2,061 is: 2,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.44 : 3,984.66 = 2,061 : x
  2. Step 2: Convert to fraction form
    2,890.44/3,984.66 = 2,061/x
  3. Step 3: Cross multiply
    2,890.44x = 3,984.66 × 2,061
  4. Step 4: Simplify right side
    2,890.44x = 8,212,384.26
  5. Step 5: Solve for x
    x = 8,212,384.26/2,890.44
  6. Step 6: Final answer
    x = 2,841.22

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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.