Home / 3,228.06-4,842.59-1,379.18

Finding the Fourth Proportional to 3,228.06, 4,842.59 and 1,379.18

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Solution

The fourth proportional to 3,228.06, 4,842.59 and 1,379.18 is: 2,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.06 : 4,842.59 = 1,379.18 : x
  2. Step 2: Convert to fraction form
    3,228.06/4,842.59 = 1,379.18/x
  3. Step 3: Cross multiply
    3,228.06x = 4,842.59 × 1,379.18
  4. Step 4: Simplify right side
    3,228.06x = 6,678,813.66
  5. Step 5: Solve for x
    x = 6,678,813.66/3,228.06
  6. Step 6: Final answer
    x = 2,068.99

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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.