Home / 3,112.21-4,666.09-1,724.68

Finding the Fourth Proportional to 3,112.21, 4,666.09 and 1,724.68

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Solution

The fourth proportional to 3,112.21, 4,666.09 and 1,724.68 is: 2,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.21 : 4,666.09 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    3,112.21/4,666.09 = 1,724.68/x
  3. Step 3: Cross multiply
    3,112.21x = 4,666.09 × 1,724.68
  4. Step 4: Simplify right side
    3,112.21x = 8,047,512.10
  5. Step 5: Solve for x
    x = 8,047,512.10/3,112.21
  6. Step 6: Final answer
    x = 2,585.79

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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.