Home / 1,946.48-2,912.76-1,816.14

Finding the Fourth Proportional to 1,946.48, 2,912.76 and 1,816.14

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Solution

The fourth proportional to 1,946.48, 2,912.76 and 1,816.14 is: 2,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.48 : 2,912.76 = 1,816.14 : x
  2. Step 2: Convert to fraction form
    1,946.48/2,912.76 = 1,816.14/x
  3. Step 3: Cross multiply
    1,946.48x = 2,912.76 × 1,816.14
  4. Step 4: Simplify right side
    1,946.48x = 5,289,979.95
  5. Step 5: Solve for x
    x = 5,289,979.95/1,946.48
  6. Step 6: Final answer
    x = 2,717.72

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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.