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Finding the Fourth Proportional to 2,000.45, 3,000.73 and 1,179.32

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Solution

The fourth proportional to 2,000.45, 3,000.73 and 1,179.32 is: 1,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.45 : 3,000.73 = 1,179.32 : x
  2. Step 2: Convert to fraction form
    2,000.45/3,000.73 = 1,179.32/x
  3. Step 3: Cross multiply
    2,000.45x = 3,000.73 × 1,179.32
  4. Step 4: Simplify right side
    2,000.45x = 3,538,807.37
  5. Step 5: Solve for x
    x = 3,538,807.37/2,000.45
  6. Step 6: Final answer
    x = 1,769.00

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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.