Home / 1,817.37-2,726.46-984.42

Finding the Fourth Proportional to 1,817.37, 2,726.46 and 984.42

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Solution

The fourth proportional to 1,817.37, 2,726.46 and 984.42 is: 1,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.37 : 2,726.46 = 984.42 : x
  2. Step 2: Convert to fraction form
    1,817.37/2,726.46 = 984.42/x
  3. Step 3: Cross multiply
    1,817.37x = 2,726.46 × 984.42
  4. Step 4: Simplify right side
    1,817.37x = 2,683,981.75
  5. Step 5: Solve for x
    x = 2,683,981.75/1,817.37
  6. Step 6: Final answer
    x = 1,476.85

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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.