Home / 2,210.33-3,315.56-729.77

Finding the Fourth Proportional to 2,210.33, 3,315.56 and 729.77

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Solution

The fourth proportional to 2,210.33, 3,315.56 and 729.77 is: 1,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.33 : 3,315.56 = 729.77 : x
  2. Step 2: Convert to fraction form
    2,210.33/3,315.56 = 729.77/x
  3. Step 3: Cross multiply
    2,210.33x = 3,315.56 × 729.77
  4. Step 4: Simplify right side
    2,210.33x = 2,419,575.99
  5. Step 5: Solve for x
    x = 2,419,575.99/2,210.33
  6. Step 6: Final answer
    x = 1,094.67

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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.