Home / 2,133.28-2,935.44-2,119.84

Finding the Fourth Proportional to 2,133.28, 2,935.44 and 2,119.84

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Solution

The fourth proportional to 2,133.28, 2,935.44 and 2,119.84 is: 2,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.28 : 2,935.44 = 2,119.84 : x
  2. Step 2: Convert to fraction form
    2,133.28/2,935.44 = 2,119.84/x
  3. Step 3: Cross multiply
    2,133.28x = 2,935.44 × 2,119.84
  4. Step 4: Simplify right side
    2,133.28x = 6,222,663.13
  5. Step 5: Solve for x
    x = 6,222,663.13/2,133.28
  6. Step 6: Final answer
    x = 2,916.95

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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.