Home / 4,190.66-5,782.90-2,398.18

Finding the Fourth Proportional to 4,190.66, 5,782.90 and 2,398.18

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Solution

The fourth proportional to 4,190.66, 5,782.90 and 2,398.18 is: 3,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.66 : 5,782.90 = 2,398.18 : x
  2. Step 2: Convert to fraction form
    4,190.66/5,782.90 = 2,398.18/x
  3. Step 3: Cross multiply
    4,190.66x = 5,782.90 × 2,398.18
  4. Step 4: Simplify right side
    4,190.66x = 13,868,435.12
  5. Step 5: Solve for x
    x = 13,868,435.12/4,190.66
  6. Step 6: Final answer
    x = 3,309.37

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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.