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Finding the Fourth Proportional to 1,497.17, 2,246.02 and 912.62

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Solution

The fourth proportional to 1,497.17, 2,246.02 and 912.62 is: 1,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.17 : 2,246.02 = 912.62 : x
  2. Step 2: Convert to fraction form
    1,497.17/2,246.02 = 912.62/x
  3. Step 3: Cross multiply
    1,497.17x = 2,246.02 × 912.62
  4. Step 4: Simplify right side
    1,497.17x = 2,049,766.11
  5. Step 5: Solve for x
    x = 2,049,766.11/1,497.17
  6. Step 6: Final answer
    x = 1,369.09

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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.