Home / 1,816.65-2,721.74-1,236.69

Finding the Fourth Proportional to 1,816.65, 2,721.74 and 1,236.69

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Solution

The fourth proportional to 1,816.65, 2,721.74 and 1,236.69 is: 1,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.65 : 2,721.74 = 1,236.69 : x
  2. Step 2: Convert to fraction form
    1,816.65/2,721.74 = 1,236.69/x
  3. Step 3: Cross multiply
    1,816.65x = 2,721.74 × 1,236.69
  4. Step 4: Simplify right side
    1,816.65x = 3,365,942.46
  5. Step 5: Solve for x
    x = 3,365,942.46/1,816.65
  6. Step 6: Final answer
    x = 1,852.83

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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.