Home / 3,381.24-4,666.13-1,889.29

Finding the Fourth Proportional to 3,381.24, 4,666.13 and 1,889.29

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Solution

The fourth proportional to 3,381.24, 4,666.13 and 1,889.29 is: 2,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.24 : 4,666.13 = 1,889.29 : x
  2. Step 2: Convert to fraction form
    3,381.24/4,666.13 = 1,889.29/x
  3. Step 3: Cross multiply
    3,381.24x = 4,666.13 × 1,889.29
  4. Step 4: Simplify right side
    3,381.24x = 8,815,672.75
  5. Step 5: Solve for x
    x = 8,815,672.75/3,381.24
  6. Step 6: Final answer
    x = 2,607.23

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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.