Home / 2,210.34-3,313.94-1,039.70

Finding the Fourth Proportional to 2,210.34, 3,313.94 and 1,039.70

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Solution

The fourth proportional to 2,210.34, 3,313.94 and 1,039.70 is: 1,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.34 : 3,313.94 = 1,039.70 : x
  2. Step 2: Convert to fraction form
    2,210.34/3,313.94 = 1,039.70/x
  3. Step 3: Cross multiply
    2,210.34x = 3,313.94 × 1,039.70
  4. Step 4: Simplify right side
    2,210.34x = 3,445,481.65
  5. Step 5: Solve for x
    x = 3,445,481.65/2,210.34
  6. Step 6: Final answer
    x = 1,558.80

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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.