Home / 3,019.66-4,166.89-1,693.18

Finding the Fourth Proportional to 3,019.66, 4,166.89 and 1,693.18

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Solution

The fourth proportional to 3,019.66, 4,166.89 and 1,693.18 is: 2,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.66 : 4,166.89 = 1,693.18 : x
  2. Step 2: Convert to fraction form
    3,019.66/4,166.89 = 1,693.18/x
  3. Step 3: Cross multiply
    3,019.66x = 4,166.89 × 1,693.18
  4. Step 4: Simplify right side
    3,019.66x = 7,055,286.34
  5. Step 5: Solve for x
    x = 7,055,286.34/3,019.66
  6. Step 6: Final answer
    x = 2,336.45

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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.