Home / 3,039.08-4,555.82-1,478.20

Finding the Fourth Proportional to 3,039.08, 4,555.82 and 1,478.20

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Solution

The fourth proportional to 3,039.08, 4,555.82 and 1,478.20 is: 2,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.08 : 4,555.82 = 1,478.20 : x
  2. Step 2: Convert to fraction form
    3,039.08/4,555.82 = 1,478.20/x
  3. Step 3: Cross multiply
    3,039.08x = 4,555.82 × 1,478.20
  4. Step 4: Simplify right side
    3,039.08x = 6,734,413.12
  5. Step 5: Solve for x
    x = 6,734,413.12/3,039.08
  6. Step 6: Final answer
    x = 2,215.94

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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.