Home / 2,208.35-3,313.02-1,021.79

Finding the Fourth Proportional to 2,208.35, 3,313.02 and 1,021.79

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Solution

The fourth proportional to 2,208.35, 3,313.02 and 1,021.79 is: 1,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.35 : 3,313.02 = 1,021.79 : x
  2. Step 2: Convert to fraction form
    2,208.35/3,313.02 = 1,021.79/x
  3. Step 3: Cross multiply
    2,208.35x = 3,313.02 × 1,021.79
  4. Step 4: Simplify right side
    2,208.35x = 3,385,210.71
  5. Step 5: Solve for x
    x = 3,385,210.71/2,208.35
  6. Step 6: Final answer
    x = 1,532.91

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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.