Home / 2,910.13-4,367.31-2,181.67

Finding the Fourth Proportional to 2,910.13, 4,367.31 and 2,181.67

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Solution

The fourth proportional to 2,910.13, 4,367.31 and 2,181.67 is: 3,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.13 : 4,367.31 = 2,181.67 : x
  2. Step 2: Convert to fraction form
    2,910.13/4,367.31 = 2,181.67/x
  3. Step 3: Cross multiply
    2,910.13x = 4,367.31 × 2,181.67
  4. Step 4: Simplify right side
    2,910.13x = 9,528,010.11
  5. Step 5: Solve for x
    x = 9,528,010.11/2,910.13
  6. Step 6: Final answer
    x = 3,274.09

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1.5x scale

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.