Home / 3,054.30-4,214.71-1,728.14

Finding the Fourth Proportional to 3,054.30, 4,214.71 and 1,728.14

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Solution

The fourth proportional to 3,054.30, 4,214.71 and 1,728.14 is: 2,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.30 : 4,214.71 = 1,728.14 : x
  2. Step 2: Convert to fraction form
    3,054.30/4,214.71 = 1,728.14/x
  3. Step 3: Cross multiply
    3,054.30x = 4,214.71 × 1,728.14
  4. Step 4: Simplify right side
    3,054.30x = 7,283,608.94
  5. Step 5: Solve for x
    x = 7,283,608.94/3,054.30
  6. Step 6: Final answer
    x = 2,384.71

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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.