Home / 3,381.89-4,667.02-1,889.87

Finding the Fourth Proportional to 3,381.89, 4,667.02 and 1,889.87

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Solution

The fourth proportional to 3,381.89, 4,667.02 and 1,889.87 is: 2,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.89 : 4,667.02 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    3,381.89/4,667.02 = 1,889.87/x
  3. Step 3: Cross multiply
    3,381.89x = 4,667.02 × 1,889.87
  4. Step 4: Simplify right side
    3,381.89x = 8,820,033.03
  5. Step 5: Solve for x
    x = 8,820,033.03/3,381.89
  6. Step 6: Final answer
    x = 2,608.02

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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.