Home / 2,184.14-3,013.64-1,239.84

Finding the Fourth Proportional to 2,184.14, 3,013.64 and 1,239.84

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Solution

The fourth proportional to 2,184.14, 3,013.64 and 1,239.84 is: 1,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.14 : 3,013.64 = 1,239.84 : x
  2. Step 2: Convert to fraction form
    2,184.14/3,013.64 = 1,239.84/x
  3. Step 3: Cross multiply
    2,184.14x = 3,013.64 × 1,239.84
  4. Step 4: Simplify right side
    2,184.14x = 3,736,431.42
  5. Step 5: Solve for x
    x = 3,736,431.42/2,184.14
  6. Step 6: Final answer
    x = 1,710.71

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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.