Home / 4,190.37-5,782.07-2,421.63

Finding the Fourth Proportional to 4,190.37, 5,782.07 and 2,421.63

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Solution

The fourth proportional to 4,190.37, 5,782.07 and 2,421.63 is: 3,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.37 : 5,782.07 = 2,421.63 : x
  2. Step 2: Convert to fraction form
    4,190.37/5,782.07 = 2,421.63/x
  3. Step 3: Cross multiply
    4,190.37x = 5,782.07 × 2,421.63
  4. Step 4: Simplify right side
    4,190.37x = 14,002,043.75
  5. Step 5: Solve for x
    x = 14,002,043.75/4,190.37
  6. Step 6: Final answer
    x = 3,341.48

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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.