Home / 2,018.60-3,028.50-632.08

Finding the Fourth Proportional to 2,018.60, 3,028.50 and 632.08

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Solution

The fourth proportional to 2,018.60, 3,028.50 and 632.08 is: 948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.60 : 3,028.50 = 632.08 : x
  2. Step 2: Convert to fraction form
    2,018.60/3,028.50 = 632.08/x
  3. Step 3: Cross multiply
    2,018.60x = 3,028.50 × 632.08
  4. Step 4: Simplify right side
    2,018.60x = 1,914,258.07
  5. Step 5: Solve for x
    x = 1,914,258.07/2,018.60
  6. Step 6: Final answer
    x = 948.31

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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.