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Finding the Fourth Proportional to 2,452.66, 3,678.95 and 603.79

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Solution

The fourth proportional to 2,452.66, 3,678.95 and 603.79 is: 905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.66 : 3,678.95 = 603.79 : x
  2. Step 2: Convert to fraction form
    2,452.66/3,678.95 = 603.79/x
  3. Step 3: Cross multiply
    2,452.66x = 3,678.95 × 603.79
  4. Step 4: Simplify right side
    2,452.66x = 2,221,305.53
  5. Step 5: Solve for x
    x = 2,221,305.53/2,452.66
  6. Step 6: Final answer
    x = 905.67

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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.