Home / 3,511.15-4,842.69-2,184.37

Finding the Fourth Proportional to 3,511.15, 4,842.69 and 2,184.37

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Solution

The fourth proportional to 3,511.15, 4,842.69 and 2,184.37 is: 3,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.15 : 4,842.69 = 2,184.37 : x
  2. Step 2: Convert to fraction form
    3,511.15/4,842.69 = 2,184.37/x
  3. Step 3: Cross multiply
    3,511.15x = 4,842.69 × 2,184.37
  4. Step 4: Simplify right side
    3,511.15x = 10,578,206.46
  5. Step 5: Solve for x
    x = 10,578,206.46/3,511.15
  6. Step 6: Final answer
    x = 3,012.75

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1.5x scale

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.