Home / 3,313.70-4,974.19-2,800.07

Finding the Fourth Proportional to 3,313.70, 4,974.19 and 2,800.07

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Solution

The fourth proportional to 3,313.70, 4,974.19 and 2,800.07 is: 4,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.70 : 4,974.19 = 2,800.07 : x
  2. Step 2: Convert to fraction form
    3,313.70/4,974.19 = 2,800.07/x
  3. Step 3: Cross multiply
    3,313.70x = 4,974.19 × 2,800.07
  4. Step 4: Simplify right side
    3,313.70x = 13,928,080.19
  5. Step 5: Solve for x
    x = 13,928,080.19/3,313.70
  6. Step 6: Final answer
    x = 4,203.18

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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.