Home / 3,859.37-5,325.90-2,090.97

Finding the Fourth Proportional to 3,859.37, 5,325.90 and 2,090.97

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Solution

The fourth proportional to 3,859.37, 5,325.90 and 2,090.97 is: 2,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.37 : 5,325.90 = 2,090.97 : x
  2. Step 2: Convert to fraction form
    3,859.37/5,325.90 = 2,090.97/x
  3. Step 3: Cross multiply
    3,859.37x = 5,325.90 × 2,090.97
  4. Step 4: Simplify right side
    3,859.37x = 11,136,289.28
  5. Step 5: Solve for x
    x = 11,136,289.28/3,859.37
  6. Step 6: Final answer
    x = 2,885.52

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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.