Home / 2,628.82-3,937.08-2,077.30

Finding the Fourth Proportional to 2,628.82, 3,937.08 and 2,077.30

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Solution

The fourth proportional to 2,628.82, 3,937.08 and 2,077.30 is: 3,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.82 : 3,937.08 = 2,077.30 : x
  2. Step 2: Convert to fraction form
    2,628.82/3,937.08 = 2,077.30/x
  3. Step 3: Cross multiply
    2,628.82x = 3,937.08 × 2,077.30
  4. Step 4: Simplify right side
    2,628.82x = 8,178,496.28
  5. Step 5: Solve for x
    x = 8,178,496.28/2,628.82
  6. Step 6: Final answer
    x = 3,111.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.