Home / 3,039.88-4,193.13-1,858.90

Finding the Fourth Proportional to 3,039.88, 4,193.13 and 1,858.90

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Solution

The fourth proportional to 3,039.88, 4,193.13 and 1,858.90 is: 2,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.88 : 4,193.13 = 1,858.90 : x
  2. Step 2: Convert to fraction form
    3,039.88/4,193.13 = 1,858.90/x
  3. Step 3: Cross multiply
    3,039.88x = 4,193.13 × 1,858.90
  4. Step 4: Simplify right side
    3,039.88x = 7,794,609.36
  5. Step 5: Solve for x
    x = 7,794,609.36/3,039.88
  6. Step 6: Final answer
    x = 2,564.12

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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.