Home / 3,727.16-5,130.60-3,222.79

Finding the Fourth Proportional to 3,727.16, 5,130.60 and 3,222.79

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Solution

The fourth proportional to 3,727.16, 5,130.60 and 3,222.79 is: 4,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.16 : 5,130.60 = 3,222.79 : x
  2. Step 2: Convert to fraction form
    3,727.16/5,130.60 = 3,222.79/x
  3. Step 3: Cross multiply
    3,727.16x = 5,130.60 × 3,222.79
  4. Step 4: Simplify right side
    3,727.16x = 16,534,846.37
  5. Step 5: Solve for x
    x = 16,534,846.37/3,727.16
  6. Step 6: Final answer
    x = 4,436.31

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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.