Home / 2,819.16-4,228.44-1,259.22

Finding the Fourth Proportional to 2,819.16, 4,228.44 and 1,259.22

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Solution

The fourth proportional to 2,819.16, 4,228.44 and 1,259.22 is: 1,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.16 : 4,228.44 = 1,259.22 : x
  2. Step 2: Convert to fraction form
    2,819.16/4,228.44 = 1,259.22/x
  3. Step 3: Cross multiply
    2,819.16x = 4,228.44 × 1,259.22
  4. Step 4: Simplify right side
    2,819.16x = 5,324,536.22
  5. Step 5: Solve for x
    x = 5,324,536.22/2,819.16
  6. Step 6: Final answer
    x = 1,888.70

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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.