Home / 4,190.74-5,784.03-2,774.46

Finding the Fourth Proportional to 4,190.74, 5,784.03 and 2,774.46

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Solution

The fourth proportional to 4,190.74, 5,784.03 and 2,774.46 is: 3,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.74 : 5,784.03 = 2,774.46 : x
  2. Step 2: Convert to fraction form
    4,190.74/5,784.03 = 2,774.46/x
  3. Step 3: Cross multiply
    4,190.74x = 5,784.03 × 2,774.46
  4. Step 4: Simplify right side
    4,190.74x = 16,047,559.87
  5. Step 5: Solve for x
    x = 16,047,559.87/4,190.74
  6. Step 6: Final answer
    x = 3,829.29

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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.