Home / 3,381.03-4,665.47-1,889.01

Finding the Fourth Proportional to 3,381.03, 4,665.47 and 1,889.01

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Solution

The fourth proportional to 3,381.03, 4,665.47 and 1,889.01 is: 2,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.03 : 4,665.47 = 1,889.01 : x
  2. Step 2: Convert to fraction form
    3,381.03/4,665.47 = 1,889.01/x
  3. Step 3: Cross multiply
    3,381.03x = 4,665.47 × 1,889.01
  4. Step 4: Simplify right side
    3,381.03x = 8,813,110.04
  5. Step 5: Solve for x
    x = 8,813,110.04/3,381.03
  6. Step 6: Final answer
    x = 2,606.63

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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.