Home / 4,216.49-5,819.64-2,800.25

Finding the Fourth Proportional to 4,216.49, 5,819.64 and 2,800.25

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Solution

The fourth proportional to 4,216.49, 5,819.64 and 2,800.25 is: 3,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.49 : 5,819.64 = 2,800.25 : x
  2. Step 2: Convert to fraction form
    4,216.49/5,819.64 = 2,800.25/x
  3. Step 3: Cross multiply
    4,216.49x = 5,819.64 × 2,800.25
  4. Step 4: Simplify right side
    4,216.49x = 16,296,446.91
  5. Step 5: Solve for x
    x = 16,296,446.91/4,216.49
  6. Step 6: Final answer
    x = 3,864.93

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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.