Home / 1,816.67-2,726.37-1,330.98

Finding the Fourth Proportional to 1,816.67, 2,726.37 and 1,330.98

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Solution

The fourth proportional to 1,816.67, 2,726.37 and 1,330.98 is: 1,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.67 : 2,726.37 = 1,330.98 : x
  2. Step 2: Convert to fraction form
    1,816.67/2,726.37 = 1,330.98/x
  3. Step 3: Cross multiply
    1,816.67x = 2,726.37 × 1,330.98
  4. Step 4: Simplify right side
    1,816.67x = 3,628,743.94
  5. Step 5: Solve for x
    x = 3,628,743.94/1,816.67
  6. Step 6: Final answer
    x = 1,997.48

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1.5x scale

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.