Home / 2,210.13-3,313.58-910.89

Finding the Fourth Proportional to 2,210.13, 3,313.58 and 910.89

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Solution

The fourth proportional to 2,210.13, 3,313.58 and 910.89 is: 1,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.13 : 3,313.58 = 910.89 : x
  2. Step 2: Convert to fraction form
    2,210.13/3,313.58 = 910.89/x
  3. Step 3: Cross multiply
    2,210.13x = 3,313.58 × 910.89
  4. Step 4: Simplify right side
    2,210.13x = 3,018,302.33
  5. Step 5: Solve for x
    x = 3,018,302.33/2,210.13
  6. Step 6: Final answer
    x = 1,365.67

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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.