Home / 2,114.51-2,938.14-2,091.69

Finding the Fourth Proportional to 2,114.51, 2,938.14 and 2,091.69

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Solution

The fourth proportional to 2,114.51, 2,938.14 and 2,091.69 is: 2,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.51 : 2,938.14 = 2,091.69 : x
  2. Step 2: Convert to fraction form
    2,114.51/2,938.14 = 2,091.69/x
  3. Step 3: Cross multiply
    2,114.51x = 2,938.14 × 2,091.69
  4. Step 4: Simplify right side
    2,114.51x = 6,145,678.06
  5. Step 5: Solve for x
    x = 6,145,678.06/2,114.51
  6. Step 6: Final answer
    x = 2,906.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.