Home / 3,739.80-5,158.62-3,298.80

Finding the Fourth Proportional to 3,739.80, 5,158.62 and 3,298.80

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Solution

The fourth proportional to 3,739.80, 5,158.62 and 3,298.80 is: 4,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.80 : 5,158.62 = 3,298.80 : x
  2. Step 2: Convert to fraction form
    3,739.80/5,158.62 = 3,298.80/x
  3. Step 3: Cross multiply
    3,739.80x = 5,158.62 × 3,298.80
  4. Step 4: Simplify right side
    3,739.80x = 17,017,255.66
  5. Step 5: Solve for x
    x = 17,017,255.66/3,739.80
  6. Step 6: Final answer
    x = 4,550.31

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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.