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Finding the Fourth Proportional to 2,064.86, 3,096.54 and 603.70

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Solution

The fourth proportional to 2,064.86, 3,096.54 and 603.70 is: 905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.86 : 3,096.54 = 603.70 : x
  2. Step 2: Convert to fraction form
    2,064.86/3,096.54 = 603.70/x
  3. Step 3: Cross multiply
    2,064.86x = 3,096.54 × 603.70
  4. Step 4: Simplify right side
    2,064.86x = 1,869,381.20
  5. Step 5: Solve for x
    x = 1,869,381.20/2,064.86
  6. Step 6: Final answer
    x = 905.33

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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.