Home / 2,851.11-4,277.23-1,207.67

Finding the Fourth Proportional to 2,851.11, 4,277.23 and 1,207.67

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Solution

The fourth proportional to 2,851.11, 4,277.23 and 1,207.67 is: 1,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.11 : 4,277.23 = 1,207.67 : x
  2. Step 2: Convert to fraction form
    2,851.11/4,277.23 = 1,207.67/x
  3. Step 3: Cross multiply
    2,851.11x = 4,277.23 × 1,207.67
  4. Step 4: Simplify right side
    2,851.11x = 5,165,457.95
  5. Step 5: Solve for x
    x = 5,165,457.95/2,851.11
  6. Step 6: Final answer
    x = 1,811.74

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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.