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Finding the Fourth Proportional to 3,887.81, 5,827.08 and 2,240.94

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Solution

The fourth proportional to 3,887.81, 5,827.08 and 2,240.94 is: 3,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.81 : 5,827.08 = 2,240.94 : x
  2. Step 2: Convert to fraction form
    3,887.81/5,827.08 = 2,240.94/x
  3. Step 3: Cross multiply
    3,887.81x = 5,827.08 × 2,240.94
  4. Step 4: Simplify right side
    3,887.81x = 13,058,136.66
  5. Step 5: Solve for x
    x = 13,058,136.66/3,887.81
  6. Step 6: Final answer
    x = 3,358.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.