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Finding the Fourth Proportional to 1,800.56, 2,700.83 and 984.03

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Solution

The fourth proportional to 1,800.56, 2,700.83 and 984.03 is: 1,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.56 : 2,700.83 = 984.03 : x
  2. Step 2: Convert to fraction form
    1,800.56/2,700.83 = 984.03/x
  3. Step 3: Cross multiply
    1,800.56x = 2,700.83 × 984.03
  4. Step 4: Simplify right side
    1,800.56x = 2,657,699.73
  5. Step 5: Solve for x
    x = 2,657,699.73/1,800.56
  6. Step 6: Final answer
    x = 1,476.04

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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.