Home / 3,090.05-4,260.69-2,095.97

Finding the Fourth Proportional to 3,090.05, 4,260.69 and 2,095.97

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Solution

The fourth proportional to 3,090.05, 4,260.69 and 2,095.97 is: 2,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.05 : 4,260.69 = 2,095.97 : x
  2. Step 2: Convert to fraction form
    3,090.05/4,260.69 = 2,095.97/x
  3. Step 3: Cross multiply
    3,090.05x = 4,260.69 × 2,095.97
  4. Step 4: Simplify right side
    3,090.05x = 8,930,278.42
  5. Step 5: Solve for x
    x = 8,930,278.42/3,090.05
  6. Step 6: Final answer
    x = 2,890.01

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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.