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Finding the Fourth Proportional to 1,777.14, 2,662.74 and 1,573.02

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Solution

The fourth proportional to 1,777.14, 2,662.74 and 1,573.02 is: 2,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.14 : 2,662.74 = 1,573.02 : x
  2. Step 2: Convert to fraction form
    1,777.14/2,662.74 = 1,573.02/x
  3. Step 3: Cross multiply
    1,777.14x = 2,662.74 × 1,573.02
  4. Step 4: Simplify right side
    1,777.14x = 4,188,543.27
  5. Step 5: Solve for x
    x = 4,188,543.27/1,777.14
  6. Step 6: Final answer
    x = 2,356.90

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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.