Home / 2,210.68-3,050.40-1,279

Finding the Fourth Proportional to 2,210.68, 3,050.40 and 1,279

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Solution

The fourth proportional to 2,210.68, 3,050.40 and 1,279 is: 1,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.68 : 3,050.40 = 1,279 : x
  2. Step 2: Convert to fraction form
    2,210.68/3,050.40 = 1,279/x
  3. Step 3: Cross multiply
    2,210.68x = 3,050.40 × 1,279
  4. Step 4: Simplify right side
    2,210.68x = 3,901,461.60
  5. Step 5: Solve for x
    x = 3,901,461.60/2,210.68
  6. Step 6: Final answer
    x = 1,764.82

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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.