Home / 3,099.23-4,648.94-1,019.28

Finding the Fourth Proportional to 3,099.23, 4,648.94 and 1,019.28

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Solution

The fourth proportional to 3,099.23, 4,648.94 and 1,019.28 is: 1,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.23 : 4,648.94 = 1,019.28 : x
  2. Step 2: Convert to fraction form
    3,099.23/4,648.94 = 1,019.28/x
  3. Step 3: Cross multiply
    3,099.23x = 4,648.94 × 1,019.28
  4. Step 4: Simplify right side
    3,099.23x = 4,738,566.47
  5. Step 5: Solve for x
    x = 4,738,566.47/3,099.23
  6. Step 6: Final answer
    x = 1,528.95

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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.