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Finding the Fourth Proportional to 2,438.68, 3,658.01 and 589.81

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Solution

The fourth proportional to 2,438.68, 3,658.01 and 589.81 is: 884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.68 : 3,658.01 = 589.81 : x
  2. Step 2: Convert to fraction form
    2,438.68/3,658.01 = 589.81/x
  3. Step 3: Cross multiply
    2,438.68x = 3,658.01 × 589.81
  4. Step 4: Simplify right side
    2,438.68x = 2,157,518.67
  5. Step 5: Solve for x
    x = 2,157,518.67/2,438.68
  6. Step 6: Final answer
    x = 884.71

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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.