Home / 3,210.18-4,815.06-1,019.04

Finding the Fourth Proportional to 3,210.18, 4,815.06 and 1,019.04

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Solution

The fourth proportional to 3,210.18, 4,815.06 and 1,019.04 is: 1,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.18 : 4,815.06 = 1,019.04 : x
  2. Step 2: Convert to fraction form
    3,210.18/4,815.06 = 1,019.04/x
  3. Step 3: Cross multiply
    3,210.18x = 4,815.06 × 1,019.04
  4. Step 4: Simplify right side
    3,210.18x = 4,906,738.74
  5. Step 5: Solve for x
    x = 4,906,738.74/3,210.18
  6. Step 6: Final answer
    x = 1,528.49

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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.