Home / 2,028.51-3,043.08-730.28

Finding the Fourth Proportional to 2,028.51, 3,043.08 and 730.28

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Solution

The fourth proportional to 2,028.51, 3,043.08 and 730.28 is: 1,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.51 : 3,043.08 = 730.28 : x
  2. Step 2: Convert to fraction form
    2,028.51/3,043.08 = 730.28/x
  3. Step 3: Cross multiply
    2,028.51x = 3,043.08 × 730.28
  4. Step 4: Simplify right side
    2,028.51x = 2,222,308.07
  5. Step 5: Solve for x
    x = 2,222,308.07/2,028.51
  6. Step 6: Final answer
    x = 1,095.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.