Home / 3,861.47-5,328.84-2,093.09

Finding the Fourth Proportional to 3,861.47, 5,328.84 and 2,093.09

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Solution

The fourth proportional to 3,861.47, 5,328.84 and 2,093.09 is: 2,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.47 : 5,328.84 = 2,093.09 : x
  2. Step 2: Convert to fraction form
    3,861.47/5,328.84 = 2,093.09/x
  3. Step 3: Cross multiply
    3,861.47x = 5,328.84 × 2,093.09
  4. Step 4: Simplify right side
    3,861.47x = 11,153,715.07
  5. Step 5: Solve for x
    x = 11,153,715.07/3,861.47
  6. Step 6: Final answer
    x = 2,888.46

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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.