Home / 2,019.36-3,028.32-632.28

Finding the Fourth Proportional to 2,019.36, 3,028.32 and 632.28

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Solution

The fourth proportional to 2,019.36, 3,028.32 and 632.28 is: 948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.36 : 3,028.32 = 632.28 : x
  2. Step 2: Convert to fraction form
    2,019.36/3,028.32 = 632.28/x
  3. Step 3: Cross multiply
    2,019.36x = 3,028.32 × 632.28
  4. Step 4: Simplify right side
    2,019.36x = 1,914,746.17
  5. Step 5: Solve for x
    x = 1,914,746.17/2,019.36
  6. Step 6: Final answer
    x = 948.19

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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.