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Finding the Fourth Proportional to 1,614.81, 2,424.64 and 922.26

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Solution

The fourth proportional to 1,614.81, 2,424.64 and 922.26 is: 1,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.81 : 2,424.64 = 922.26 : x
  2. Step 2: Convert to fraction form
    1,614.81/2,424.64 = 922.26/x
  3. Step 3: Cross multiply
    1,614.81x = 2,424.64 × 922.26
  4. Step 4: Simplify right side
    1,614.81x = 2,236,148.49
  5. Step 5: Solve for x
    x = 2,236,148.49/1,614.81
  6. Step 6: Final answer
    x = 1,384.77

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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.