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Finding the Fourth Proportional to 1,737.42, 2,606.04 and 438.81

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Solution

The fourth proportional to 1,737.42, 2,606.04 and 438.81 is: 658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.42 : 2,606.04 = 438.81 : x
  2. Step 2: Convert to fraction form
    1,737.42/2,606.04 = 438.81/x
  3. Step 3: Cross multiply
    1,737.42x = 2,606.04 × 438.81
  4. Step 4: Simplify right side
    1,737.42x = 1,143,556.41
  5. Step 5: Solve for x
    x = 1,143,556.41/1,737.42
  6. Step 6: Final answer
    x = 658.19

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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.