Home / 4,190.42-5,782.64-2,301.86

Finding the Fourth Proportional to 4,190.42, 5,782.64 and 2,301.86

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Solution

The fourth proportional to 4,190.42, 5,782.64 and 2,301.86 is: 3,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.42 : 5,782.64 = 2,301.86 : x
  2. Step 2: Convert to fraction form
    4,190.42/5,782.64 = 2,301.86/x
  3. Step 3: Cross multiply
    4,190.42x = 5,782.64 × 2,301.86
  4. Step 4: Simplify right side
    4,190.42x = 13,310,830.66
  5. Step 5: Solve for x
    x = 13,310,830.66/4,190.42
  6. Step 6: Final answer
    x = 3,176.49

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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.