Home / 3,392.84-5,090.08-1,722.86

Finding the Fourth Proportional to 3,392.84, 5,090.08 and 1,722.86

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Solution

The fourth proportional to 3,392.84, 5,090.08 and 1,722.86 is: 2,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.84 : 5,090.08 = 1,722.86 : x
  2. Step 2: Convert to fraction form
    3,392.84/5,090.08 = 1,722.86/x
  3. Step 3: Cross multiply
    3,392.84x = 5,090.08 × 1,722.86
  4. Step 4: Simplify right side
    3,392.84x = 8,769,478.21
  5. Step 5: Solve for x
    x = 8,769,478.21/3,392.84
  6. Step 6: Final answer
    x = 2,584.70

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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.