Home / 2,940.09-4,407.10-2,207.45

Finding the Fourth Proportional to 2,940.09, 4,407.10 and 2,207.45

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Solution

The fourth proportional to 2,940.09, 4,407.10 and 2,207.45 is: 3,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.09 : 4,407.10 = 2,207.45 : x
  2. Step 2: Convert to fraction form
    2,940.09/4,407.10 = 2,207.45/x
  3. Step 3: Cross multiply
    2,940.09x = 4,407.10 × 2,207.45
  4. Step 4: Simplify right side
    2,940.09x = 9,728,425.34
  5. Step 5: Solve for x
    x = 9,728,425.34/2,940.09
  6. Step 6: Final answer
    x = 3,308.89

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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.