Home / 3,054.08-4,213.53-1,727.78

Finding the Fourth Proportional to 3,054.08, 4,213.53 and 1,727.78

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Solution

The fourth proportional to 3,054.08, 4,213.53 and 1,727.78 is: 2,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.08 : 4,213.53 = 1,727.78 : x
  2. Step 2: Convert to fraction form
    3,054.08/4,213.53 = 1,727.78/x
  3. Step 3: Cross multiply
    3,054.08x = 4,213.53 × 1,727.78
  4. Step 4: Simplify right side
    3,054.08x = 7,280,031.80
  5. Step 5: Solve for x
    x = 7,280,031.80/3,054.08
  6. Step 6: Final answer
    x = 2,383.71

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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.