Home / 3,177.09-4,762.79-1,616.22

Finding the Fourth Proportional to 3,177.09, 4,762.79 and 1,616.22

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Solution

The fourth proportional to 3,177.09, 4,762.79 and 1,616.22 is: 2,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.09 : 4,762.79 = 1,616.22 : x
  2. Step 2: Convert to fraction form
    3,177.09/4,762.79 = 1,616.22/x
  3. Step 3: Cross multiply
    3,177.09x = 4,762.79 × 1,616.22
  4. Step 4: Simplify right side
    3,177.09x = 7,697,716.45
  5. Step 5: Solve for x
    x = 7,697,716.45/3,177.09
  6. Step 6: Final answer
    x = 2,422.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.