Home / 4,190.28-5,782.17-2,421.85

Finding the Fourth Proportional to 4,190.28, 5,782.17 and 2,421.85

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Solution

The fourth proportional to 4,190.28, 5,782.17 and 2,421.85 is: 3,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.28 : 5,782.17 = 2,421.85 : x
  2. Step 2: Convert to fraction form
    4,190.28/5,782.17 = 2,421.85/x
  3. Step 3: Cross multiply
    4,190.28x = 5,782.17 × 2,421.85
  4. Step 4: Simplify right side
    4,190.28x = 14,003,548.41
  5. Step 5: Solve for x
    x = 14,003,548.41/4,190.28
  6. Step 6: Final answer
    x = 3,341.91

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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.