Home / 3,054.15-4,214.57-1,728.09

Finding the Fourth Proportional to 3,054.15, 4,214.57 and 1,728.09

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Solution

The fourth proportional to 3,054.15, 4,214.57 and 1,728.09 is: 2,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.15 : 4,214.57 = 1,728.09 : x
  2. Step 2: Convert to fraction form
    3,054.15/4,214.57 = 1,728.09/x
  3. Step 3: Cross multiply
    3,054.15x = 4,214.57 × 1,728.09
  4. Step 4: Simplify right side
    3,054.15x = 7,283,147.63
  5. Step 5: Solve for x
    x = 7,283,147.63/3,054.15
  6. Step 6: Final answer
    x = 2,384.67

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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.