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Finding the Fourth Proportional to 1,518.79, 2,277.42 and 593.65

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Solution

The fourth proportional to 1,518.79, 2,277.42 and 593.65 is: 890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.79 : 2,277.42 = 593.65 : x
  2. Step 2: Convert to fraction form
    1,518.79/2,277.42 = 593.65/x
  3. Step 3: Cross multiply
    1,518.79x = 2,277.42 × 593.65
  4. Step 4: Simplify right side
    1,518.79x = 1,351,990.38
  5. Step 5: Solve for x
    x = 1,351,990.38/1,518.79
  6. Step 6: Final answer
    x = 890.18

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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.