Home / 2,984.52-4,118.94-2,055

Finding the Fourth Proportional to 2,984.52, 4,118.94 and 2,055

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Solution

The fourth proportional to 2,984.52, 4,118.94 and 2,055 is: 2,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.52 : 4,118.94 = 2,055 : x
  2. Step 2: Convert to fraction form
    2,984.52/4,118.94 = 2,055/x
  3. Step 3: Cross multiply
    2,984.52x = 4,118.94 × 2,055
  4. Step 4: Simplify right side
    2,984.52x = 8,464,421.70
  5. Step 5: Solve for x
    x = 8,464,421.70/2,984.52
  6. Step 6: Final answer
    x = 2,836.11

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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.