Home / 2,210.16-3,313.26-910.80

Finding the Fourth Proportional to 2,210.16, 3,313.26 and 910.80

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Solution

The fourth proportional to 2,210.16, 3,313.26 and 910.80 is: 1,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.16 : 3,313.26 = 910.80 : x
  2. Step 2: Convert to fraction form
    2,210.16/3,313.26 = 910.80/x
  3. Step 3: Cross multiply
    2,210.16x = 3,313.26 × 910.80
  4. Step 4: Simplify right side
    2,210.16x = 3,017,717.21
  5. Step 5: Solve for x
    x = 3,017,717.21/2,210.16
  6. Step 6: Final answer
    x = 1,365.38

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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.