Home / 3,511.30-4,842.84-2,184.52

Finding the Fourth Proportional to 3,511.30, 4,842.84 and 2,184.52

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Solution

The fourth proportional to 3,511.30, 4,842.84 and 2,184.52 is: 3,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.30 : 4,842.84 = 2,184.52 : x
  2. Step 2: Convert to fraction form
    3,511.30/4,842.84 = 2,184.52/x
  3. Step 3: Cross multiply
    3,511.30x = 4,842.84 × 2,184.52
  4. Step 4: Simplify right side
    3,511.30x = 10,579,280.84
  5. Step 5: Solve for x
    x = 10,579,280.84/3,511.30
  6. Step 6: Final answer
    x = 3,012.92

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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.