Home / 2,018.28-3,025.32-977.64

Finding the Fourth Proportional to 2,018.28, 3,025.32 and 977.64

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Solution

The fourth proportional to 2,018.28, 3,025.32 and 977.64 is: 1,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.28 : 3,025.32 = 977.64 : x
  2. Step 2: Convert to fraction form
    2,018.28/3,025.32 = 977.64/x
  3. Step 3: Cross multiply
    2,018.28x = 3,025.32 × 977.64
  4. Step 4: Simplify right side
    2,018.28x = 2,957,673.84
  5. Step 5: Solve for x
    x = 2,957,673.84/2,018.28
  6. Step 6: Final answer
    x = 1,465.44

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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.