Home / 3,069.08-4,234.98-1,724.51

Finding the Fourth Proportional to 3,069.08, 4,234.98 and 1,724.51

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Solution

The fourth proportional to 3,069.08, 4,234.98 and 1,724.51 is: 2,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.08 : 4,234.98 = 1,724.51 : x
  2. Step 2: Convert to fraction form
    3,069.08/4,234.98 = 1,724.51/x
  3. Step 3: Cross multiply
    3,069.08x = 4,234.98 × 1,724.51
  4. Step 4: Simplify right side
    3,069.08x = 7,303,244.18
  5. Step 5: Solve for x
    x = 7,303,244.18/3,069.08
  6. Step 6: Final answer
    x = 2,379.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.