Home / 3,861.06-5,328.75-2,370.05

Finding the Fourth Proportional to 3,861.06, 5,328.75 and 2,370.05

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Solution

The fourth proportional to 3,861.06, 5,328.75 and 2,370.05 is: 3,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.06 : 5,328.75 = 2,370.05 : x
  2. Step 2: Convert to fraction form
    3,861.06/5,328.75 = 2,370.05/x
  3. Step 3: Cross multiply
    3,861.06x = 5,328.75 × 2,370.05
  4. Step 4: Simplify right side
    3,861.06x = 12,629,403.94
  5. Step 5: Solve for x
    x = 12,629,403.94/3,861.06
  6. Step 6: Final answer
    x = 3,270.97

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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.