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Finding the Fourth Proportional to 3,034.88, 4,549.44 and 1,664

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Solution

The fourth proportional to 3,034.88, 4,549.44 and 1,664 is: 2,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.88 : 4,549.44 = 1,664 : x
  2. Step 2: Convert to fraction form
    3,034.88/4,549.44 = 1,664/x
  3. Step 3: Cross multiply
    3,034.88x = 4,549.44 × 1,664
  4. Step 4: Simplify right side
    3,034.88x = 7,570,268.16
  5. Step 5: Solve for x
    x = 7,570,268.16/3,034.88
  6. Step 6: Final answer
    x = 2,494.42

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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.