Home / 3,381.34-4,665.68-1,889.22

Finding the Fourth Proportional to 3,381.34, 4,665.68 and 1,889.22

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Solution

The fourth proportional to 3,381.34, 4,665.68 and 1,889.22 is: 2,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.34 : 4,665.68 = 1,889.22 : x
  2. Step 2: Convert to fraction form
    3,381.34/4,665.68 = 1,889.22/x
  3. Step 3: Cross multiply
    3,381.34x = 4,665.68 × 1,889.22
  4. Step 4: Simplify right side
    3,381.34x = 8,814,463.20
  5. Step 5: Solve for x
    x = 8,814,463.20/3,381.34
  6. Step 6: Final answer
    x = 2,606.80

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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.