Home / 2,058.40-2,843.28-2,028.64

Finding the Fourth Proportional to 2,058.40, 2,843.28 and 2,028.64

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Solution

The fourth proportional to 2,058.40, 2,843.28 and 2,028.64 is: 2,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.40 : 2,843.28 = 2,028.64 : x
  2. Step 2: Convert to fraction form
    2,058.40/2,843.28 = 2,028.64/x
  3. Step 3: Cross multiply
    2,058.40x = 2,843.28 × 2,028.64
  4. Step 4: Simplify right side
    2,058.40x = 5,767,991.54
  5. Step 5: Solve for x
    x = 5,767,991.54/2,058.40
  6. Step 6: Final answer
    x = 2,802.17

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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.