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Finding the Fourth Proportional to 2,042.92, 3,064.38 and 656.37

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Solution

The fourth proportional to 2,042.92, 3,064.38 and 656.37 is: 984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.92 : 3,064.38 = 656.37 : x
  2. Step 2: Convert to fraction form
    2,042.92/3,064.38 = 656.37/x
  3. Step 3: Cross multiply
    2,042.92x = 3,064.38 × 656.37
  4. Step 4: Simplify right side
    2,042.92x = 2,011,368.33
  5. Step 5: Solve for x
    x = 2,011,368.33/2,042.92
  6. Step 6: Final answer
    x = 984.56

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1.5x scale

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.