Home / 3,861.50-5,328.84-2,093.06

Finding the Fourth Proportional to 3,861.50, 5,328.84 and 2,093.06

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Solution

The fourth proportional to 3,861.50, 5,328.84 and 2,093.06 is: 2,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.50 : 5,328.84 = 2,093.06 : x
  2. Step 2: Convert to fraction form
    3,861.50/5,328.84 = 2,093.06/x
  3. Step 3: Cross multiply
    3,861.50x = 5,328.84 × 2,093.06
  4. Step 4: Simplify right side
    3,861.50x = 11,153,581.85
  5. Step 5: Solve for x
    x = 11,153,581.85/3,861.50
  6. Step 6: Final answer
    x = 2,888.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.