Home / 2,133.99-2,943.78-1,469.70

Finding the Fourth Proportional to 2,133.99, 2,943.78 and 1,469.70

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Solution

The fourth proportional to 2,133.99, 2,943.78 and 1,469.70 is: 2,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.99 : 2,943.78 = 1,469.70 : x
  2. Step 2: Convert to fraction form
    2,133.99/2,943.78 = 1,469.70/x
  3. Step 3: Cross multiply
    2,133.99x = 2,943.78 × 1,469.70
  4. Step 4: Simplify right side
    2,133.99x = 4,326,473.47
  5. Step 5: Solve for x
    x = 4,326,473.47/2,133.99
  6. Step 6: Final answer
    x = 2,027.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.