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Finding the Fourth Proportional to 3,899.02, 5,798.39 and 3,775.97

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Solution

The fourth proportional to 3,899.02, 5,798.39 and 3,775.97 is: 5,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.02 : 5,798.39 = 3,775.97 : x
  2. Step 2: Convert to fraction form
    3,899.02/5,798.39 = 3,775.97/x
  3. Step 3: Cross multiply
    3,899.02x = 5,798.39 × 3,775.97
  4. Step 4: Simplify right side
    3,899.02x = 21,894,527.81
  5. Step 5: Solve for x
    x = 21,894,527.81/3,899.02
  6. Step 6: Final answer
    x = 5,615.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.