Home / 2,020.15-3,028.28-632.51

Finding the Fourth Proportional to 2,020.15, 3,028.28 and 632.51

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Solution

The fourth proportional to 2,020.15, 3,028.28 and 632.51 is: 948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.15 : 3,028.28 = 632.51 : x
  2. Step 2: Convert to fraction form
    2,020.15/3,028.28 = 632.51/x
  3. Step 3: Cross multiply
    2,020.15x = 3,028.28 × 632.51
  4. Step 4: Simplify right side
    2,020.15x = 1,915,427.37
  5. Step 5: Solve for x
    x = 1,915,427.37/2,020.15
  6. Step 6: Final answer
    x = 948.16

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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.