Home / 2,975.05-4,105.99-1,649.08

Finding the Fourth Proportional to 2,975.05, 4,105.99 and 1,649.08

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Solution

The fourth proportional to 2,975.05, 4,105.99 and 1,649.08 is: 2,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.05 : 4,105.99 = 1,649.08 : x
  2. Step 2: Convert to fraction form
    2,975.05/4,105.99 = 1,649.08/x
  3. Step 3: Cross multiply
    2,975.05x = 4,105.99 × 1,649.08
  4. Step 4: Simplify right side
    2,975.05x = 6,771,105.99
  5. Step 5: Solve for x
    x = 6,771,105.99/2,975.05
  6. Step 6: Final answer
    x = 2,275.96

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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.