Home / 3,861.06-5,329.46-2,371.16

Finding the Fourth Proportional to 3,861.06, 5,329.46 and 2,371.16

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Solution

The fourth proportional to 3,861.06, 5,329.46 and 2,371.16 is: 3,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.06 : 5,329.46 = 2,371.16 : x
  2. Step 2: Convert to fraction form
    3,861.06/5,329.46 = 2,371.16/x
  3. Step 3: Cross multiply
    3,861.06x = 5,329.46 × 2,371.16
  4. Step 4: Simplify right side
    3,861.06x = 12,637,002.37
  5. Step 5: Solve for x
    x = 12,637,002.37/3,861.06
  6. Step 6: Final answer
    x = 3,272.94

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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.