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Finding the Fourth Proportional to 2,670.52, 4,002.13 and 1,694.87

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Solution

The fourth proportional to 2,670.52, 4,002.13 and 1,694.87 is: 2,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.52 : 4,002.13 = 1,694.87 : x
  2. Step 2: Convert to fraction form
    2,670.52/4,002.13 = 1,694.87/x
  3. Step 3: Cross multiply
    2,670.52x = 4,002.13 × 1,694.87
  4. Step 4: Simplify right side
    2,670.52x = 6,783,090.07
  5. Step 5: Solve for x
    x = 6,783,090.07/2,670.52
  6. Step 6: Final answer
    x = 2,539.99

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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.