Home / 3,019.42-4,166.67-1,693.05

Finding the Fourth Proportional to 3,019.42, 4,166.67 and 1,693.05

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Solution

The fourth proportional to 3,019.42, 4,166.67 and 1,693.05 is: 2,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.42 : 4,166.67 = 1,693.05 : x
  2. Step 2: Convert to fraction form
    3,019.42/4,166.67 = 1,693.05/x
  3. Step 3: Cross multiply
    3,019.42x = 4,166.67 × 1,693.05
  4. Step 4: Simplify right side
    3,019.42x = 7,054,380.64
  5. Step 5: Solve for x
    x = 7,054,380.64/3,019.42
  6. Step 6: Final answer
    x = 2,336.34

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Find fourth proportional to 3,020.42, 4,168.05 and 1,694.05
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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.