Home / 2,838.24-4,245.12-2,187.36

Finding the Fourth Proportional to 2,838.24, 4,245.12 and 2,187.36

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Solution

The fourth proportional to 2,838.24, 4,245.12 and 2,187.36 is: 3,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.24 : 4,245.12 = 2,187.36 : x
  2. Step 2: Convert to fraction form
    2,838.24/4,245.12 = 2,187.36/x
  3. Step 3: Cross multiply
    2,838.24x = 4,245.12 × 2,187.36
  4. Step 4: Simplify right side
    2,838.24x = 9,285,605.68
  5. Step 5: Solve for x
    x = 9,285,605.68/2,838.24
  6. Step 6: Final answer
    x = 3,271.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.