Home / 2,133.05-2,943.88-1,715.09

Finding the Fourth Proportional to 2,133.05, 2,943.88 and 1,715.09

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Solution

The fourth proportional to 2,133.05, 2,943.88 and 1,715.09 is: 2,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.05 : 2,943.88 = 1,715.09 : x
  2. Step 2: Convert to fraction form
    2,133.05/2,943.88 = 1,715.09/x
  3. Step 3: Cross multiply
    2,133.05x = 2,943.88 × 1,715.09
  4. Step 4: Simplify right side
    2,133.05x = 5,049,000.14
  5. Step 5: Solve for x
    x = 5,049,000.14/2,133.05
  6. Step 6: Final answer
    x = 2,367.04

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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.