Home / 2,938.38-4,052.46-2,090.48

Finding the Fourth Proportional to 2,938.38, 4,052.46 and 2,090.48

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Solution

The fourth proportional to 2,938.38, 4,052.46 and 2,090.48 is: 2,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.38 : 4,052.46 = 2,090.48 : x
  2. Step 2: Convert to fraction form
    2,938.38/4,052.46 = 2,090.48/x
  3. Step 3: Cross multiply
    2,938.38x = 4,052.46 × 2,090.48
  4. Step 4: Simplify right side
    2,938.38x = 8,471,574.16
  5. Step 5: Solve for x
    x = 8,471,574.16/2,938.38
  6. Step 6: Final answer
    x = 2,883.08

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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.