Home / 3,289.43-4,936.08-1,210.89

Finding the Fourth Proportional to 3,289.43, 4,936.08 and 1,210.89

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Solution

The fourth proportional to 3,289.43, 4,936.08 and 1,210.89 is: 1,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.43 : 4,936.08 = 1,210.89 : x
  2. Step 2: Convert to fraction form
    3,289.43/4,936.08 = 1,210.89/x
  3. Step 3: Cross multiply
    3,289.43x = 4,936.08 × 1,210.89
  4. Step 4: Simplify right side
    3,289.43x = 5,977,054.45
  5. Step 5: Solve for x
    x = 5,977,054.45/3,289.43
  6. Step 6: Final answer
    x = 1,817.05

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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.