Home / 3,099.57-4,647.24-1,018.81

Finding the Fourth Proportional to 3,099.57, 4,647.24 and 1,018.81

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Solution

The fourth proportional to 3,099.57, 4,647.24 and 1,018.81 is: 1,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.57 : 4,647.24 = 1,018.81 : x
  2. Step 2: Convert to fraction form
    3,099.57/4,647.24 = 1,018.81/x
  3. Step 3: Cross multiply
    3,099.57x = 4,647.24 × 1,018.81
  4. Step 4: Simplify right side
    3,099.57x = 4,734,660.39
  5. Step 5: Solve for x
    x = 4,734,660.39/3,099.57
  6. Step 6: Final answer
    x = 1,527.52

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1.5x scale

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.