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Finding the Fourth Proportional to 1,648.53, 2,471.99 and 609.02

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Solution

The fourth proportional to 1,648.53, 2,471.99 and 609.02 is: 913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.53 : 2,471.99 = 609.02 : x
  2. Step 2: Convert to fraction form
    1,648.53/2,471.99 = 609.02/x
  3. Step 3: Cross multiply
    1,648.53x = 2,471.99 × 609.02
  4. Step 4: Simplify right side
    1,648.53x = 1,505,490.35
  5. Step 5: Solve for x
    x = 1,505,490.35/1,648.53
  6. Step 6: Final answer
    x = 913.23

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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.