Home / 3,210.43-4,815.81-1,019.33

Finding the Fourth Proportional to 3,210.43, 4,815.81 and 1,019.33

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Solution

The fourth proportional to 3,210.43, 4,815.81 and 1,019.33 is: 1,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.43 : 4,815.81 = 1,019.33 : x
  2. Step 2: Convert to fraction form
    3,210.43/4,815.81 = 1,019.33/x
  3. Step 3: Cross multiply
    3,210.43x = 4,815.81 × 1,019.33
  4. Step 4: Simplify right side
    3,210.43x = 4,908,899.61
  5. Step 5: Solve for x
    x = 4,908,899.61/3,210.43
  6. Step 6: Final answer
    x = 1,529.05

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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.