Home / 3,090.67-4,265.18-1,693.33

Finding the Fourth Proportional to 3,090.67, 4,265.18 and 1,693.33

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Solution

The fourth proportional to 3,090.67, 4,265.18 and 1,693.33 is: 2,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.67 : 4,265.18 = 1,693.33 : x
  2. Step 2: Convert to fraction form
    3,090.67/4,265.18 = 1,693.33/x
  3. Step 3: Cross multiply
    3,090.67x = 4,265.18 × 1,693.33
  4. Step 4: Simplify right side
    3,090.67x = 7,222,348.78
  5. Step 5: Solve for x
    x = 7,222,348.78/3,090.67
  6. Step 6: Final answer
    x = 2,336.82

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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.