Home / 1,473.12-2,208.24-1,380.96

Finding the Fourth Proportional to 1,473.12, 2,208.24 and 1,380.96

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Solution

The fourth proportional to 1,473.12, 2,208.24 and 1,380.96 is: 2,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.12 : 2,208.24 = 1,380.96 : x
  2. Step 2: Convert to fraction form
    1,473.12/2,208.24 = 1,380.96/x
  3. Step 3: Cross multiply
    1,473.12x = 2,208.24 × 1,380.96
  4. Step 4: Simplify right side
    1,473.12x = 3,049,491.11
  5. Step 5: Solve for x
    x = 3,049,491.11/1,473.12
  6. Step 6: Final answer
    x = 2,070.09

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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.