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Finding the Fourth Proportional to 1,580.27, 2,369.00 and 605.72

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Solution

The fourth proportional to 1,580.27, 2,369.00 and 605.72 is: 908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.27 : 2,369.00 = 605.72 : x
  2. Step 2: Convert to fraction form
    1,580.27/2,369.00 = 605.72/x
  3. Step 3: Cross multiply
    1,580.27x = 2,369.00 × 605.72
  4. Step 4: Simplify right side
    1,580.27x = 1,434,958.12
  5. Step 5: Solve for x
    x = 1,434,958.12/1,580.27
  6. Step 6: Final answer
    x = 908.05

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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.