Home / 3,381.04-4,665.44-1,889.02

Finding the Fourth Proportional to 3,381.04, 4,665.44 and 1,889.02

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Solution

The fourth proportional to 3,381.04, 4,665.44 and 1,889.02 is: 2,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.04 : 4,665.44 = 1,889.02 : x
  2. Step 2: Convert to fraction form
    3,381.04/4,665.44 = 1,889.02/x
  3. Step 3: Cross multiply
    3,381.04x = 4,665.44 × 1,889.02
  4. Step 4: Simplify right side
    3,381.04x = 8,813,109.47
  5. Step 5: Solve for x
    x = 8,813,109.47/3,381.04
  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.