Home / 3,364.50-5,047.77-1,722.21

Finding the Fourth Proportional to 3,364.50, 5,047.77 and 1,722.21

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Solution

The fourth proportional to 3,364.50, 5,047.77 and 1,722.21 is: 2,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.50 : 5,047.77 = 1,722.21 : x
  2. Step 2: Convert to fraction form
    3,364.50/5,047.77 = 1,722.21/x
  3. Step 3: Cross multiply
    3,364.50x = 5,047.77 × 1,722.21
  4. Step 4: Simplify right side
    3,364.50x = 8,693,319.97
  5. Step 5: Solve for x
    x = 8,693,319.97/3,364.50
  6. Step 6: Final answer
    x = 2,583.84

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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.