Home / 3,210.96-4,815.08-1,019.10

Finding the Fourth Proportional to 3,210.96, 4,815.08 and 1,019.10

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Solution

The fourth proportional to 3,210.96, 4,815.08 and 1,019.10 is: 1,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.96 : 4,815.08 = 1,019.10 : x
  2. Step 2: Convert to fraction form
    3,210.96/4,815.08 = 1,019.10/x
  3. Step 3: Cross multiply
    3,210.96x = 4,815.08 × 1,019.10
  4. Step 4: Simplify right side
    3,210.96x = 4,907,048.03
  5. Step 5: Solve for x
    x = 4,907,048.03/3,210.96
  6. Step 6: Final answer
    x = 1,528.22

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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.