Home / 2,677.85-4,016.76-1,217.12

Finding the Fourth Proportional to 2,677.85, 4,016.76 and 1,217.12

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Solution

The fourth proportional to 2,677.85, 4,016.76 and 1,217.12 is: 1,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.85 : 4,016.76 = 1,217.12 : x
  2. Step 2: Convert to fraction form
    2,677.85/4,016.76 = 1,217.12/x
  3. Step 3: Cross multiply
    2,677.85x = 4,016.76 × 1,217.12
  4. Step 4: Simplify right side
    2,677.85x = 4,888,858.85
  5. Step 5: Solve for x
    x = 4,888,858.85/2,677.85
  6. Step 6: Final answer
    x = 1,825.67

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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.