Home / 3,070.98-4,238.01-1,673.73

Finding the Fourth Proportional to 3,070.98, 4,238.01 and 1,673.73

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Solution

The fourth proportional to 3,070.98, 4,238.01 and 1,673.73 is: 2,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.98 : 4,238.01 = 1,673.73 : x
  2. Step 2: Convert to fraction form
    3,070.98/4,238.01 = 1,673.73/x
  3. Step 3: Cross multiply
    3,070.98x = 4,238.01 × 1,673.73
  4. Step 4: Simplify right side
    3,070.98x = 7,093,284.48
  5. Step 5: Solve for x
    x = 7,093,284.48/3,070.98
  6. Step 6: Final answer
    x = 2,309.78

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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.