Home / 3,381.52-4,665.94-1,889.36

Finding the Fourth Proportional to 3,381.52, 4,665.94 and 1,889.36

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Solution

The fourth proportional to 3,381.52, 4,665.94 and 1,889.36 is: 2,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.52 : 4,665.94 = 1,889.36 : x
  2. Step 2: Convert to fraction form
    3,381.52/4,665.94 = 1,889.36/x
  3. Step 3: Cross multiply
    3,381.52x = 4,665.94 × 1,889.36
  4. Step 4: Simplify right side
    3,381.52x = 8,815,640.40
  5. Step 5: Solve for x
    x = 8,815,640.40/3,381.52
  6. Step 6: Final answer
    x = 2,607.01

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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.