Home / 3,090.92-4,266.27-1,765.08

Finding the Fourth Proportional to 3,090.92, 4,266.27 and 1,765.08

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Solution

The fourth proportional to 3,090.92, 4,266.27 and 1,765.08 is: 2,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.92 : 4,266.27 = 1,765.08 : x
  2. Step 2: Convert to fraction form
    3,090.92/4,266.27 = 1,765.08/x
  3. Step 3: Cross multiply
    3,090.92x = 4,266.27 × 1,765.08
  4. Step 4: Simplify right side
    3,090.92x = 7,530,307.85
  5. Step 5: Solve for x
    x = 7,530,307.85/3,090.92
  6. Step 6: Final answer
    x = 2,436.27

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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.