Home / 3,220.69-4,444.91-1,804.61

Finding the Fourth Proportional to 3,220.69, 4,444.91 and 1,804.61

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Solution

The fourth proportional to 3,220.69, 4,444.91 and 1,804.61 is: 2,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.69 : 4,444.91 = 1,804.61 : x
  2. Step 2: Convert to fraction form
    3,220.69/4,444.91 = 1,804.61/x
  3. Step 3: Cross multiply
    3,220.69x = 4,444.91 × 1,804.61
  4. Step 4: Simplify right side
    3,220.69x = 8,021,297.79
  5. Step 5: Solve for x
    x = 8,021,297.79/3,220.69
  6. Step 6: Final answer
    x = 2,490.55

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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.