Home / 3,098.77-4,647.93-1,018.75

Finding the Fourth Proportional to 3,098.77, 4,647.93 and 1,018.75

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Solution

The fourth proportional to 3,098.77, 4,647.93 and 1,018.75 is: 1,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.77 : 4,647.93 = 1,018.75 : x
  2. Step 2: Convert to fraction form
    3,098.77/4,647.93 = 1,018.75/x
  3. Step 3: Cross multiply
    3,098.77x = 4,647.93 × 1,018.75
  4. Step 4: Simplify right side
    3,098.77x = 4,735,078.69
  5. Step 5: Solve for x
    x = 4,735,078.69/3,098.77
  6. Step 6: Final answer
    x = 1,528.05

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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.