Home / 1,237.28-1,843.46-1,219.46

Finding the Fourth Proportional to 1,237.28, 1,843.46 and 1,219.46

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Solution

The fourth proportional to 1,237.28, 1,843.46 and 1,219.46 is: 1,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.28 : 1,843.46 = 1,219.46 : x
  2. Step 2: Convert to fraction form
    1,237.28/1,843.46 = 1,219.46/x
  3. Step 3: Cross multiply
    1,237.28x = 1,843.46 × 1,219.46
  4. Step 4: Simplify right side
    1,237.28x = 2,248,010.42
  5. Step 5: Solve for x
    x = 2,248,010.42/1,237.28
  6. Step 6: Final answer
    x = 1,816.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.