Home / 3,042.98-4,199.32-1,645.73

Finding the Fourth Proportional to 3,042.98, 4,199.32 and 1,645.73

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Solution

The fourth proportional to 3,042.98, 4,199.32 and 1,645.73 is: 2,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.98 : 4,199.32 = 1,645.73 : x
  2. Step 2: Convert to fraction form
    3,042.98/4,199.32 = 1,645.73/x
  3. Step 3: Cross multiply
    3,042.98x = 4,199.32 × 1,645.73
  4. Step 4: Simplify right side
    3,042.98x = 6,910,953.29
  5. Step 5: Solve for x
    x = 6,910,953.29/3,042.98
  6. Step 6: Final answer
    x = 2,271.11

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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.