Home / 2,813.85-4,236.36-2,486.67

Finding the Fourth Proportional to 2,813.85, 4,236.36 and 2,486.67

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Solution

The fourth proportional to 2,813.85, 4,236.36 and 2,486.67 is: 3,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.85 : 4,236.36 = 2,486.67 : x
  2. Step 2: Convert to fraction form
    2,813.85/4,236.36 = 2,486.67/x
  3. Step 3: Cross multiply
    2,813.85x = 4,236.36 × 2,486.67
  4. Step 4: Simplify right side
    2,813.85x = 10,534,404.11
  5. Step 5: Solve for x
    x = 10,534,404.11/2,813.85
  6. Step 6: Final answer
    x = 3,743.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.