Home / 3,401.07-4,693.49-1,985.73

Finding the Fourth Proportional to 3,401.07, 4,693.49 and 1,985.73

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Solution

The fourth proportional to 3,401.07, 4,693.49 and 1,985.73 is: 2,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.07 : 4,693.49 = 1,985.73 : x
  2. Step 2: Convert to fraction form
    3,401.07/4,693.49 = 1,985.73/x
  3. Step 3: Cross multiply
    3,401.07x = 4,693.49 × 1,985.73
  4. Step 4: Simplify right side
    3,401.07x = 9,319,993.97
  5. Step 5: Solve for x
    x = 9,319,993.97/3,401.07
  6. Step 6: Final answer
    x = 2,740.31

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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.