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Finding the Fourth Proportional to 2,670.66, 4,006.62 and 1,027.80

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Solution

The fourth proportional to 2,670.66, 4,006.62 and 1,027.80 is: 1,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.66 : 4,006.62 = 1,027.80 : x
  2. Step 2: Convert to fraction form
    2,670.66/4,006.62 = 1,027.80/x
  3. Step 3: Cross multiply
    2,670.66x = 4,006.62 × 1,027.80
  4. Step 4: Simplify right side
    2,670.66x = 4,118,004.04
  5. Step 5: Solve for x
    x = 4,118,004.04/2,670.66
  6. Step 6: Final answer
    x = 1,541.94

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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.