Home / 2,066.00-2,851.08-1,121.79

Finding the Fourth Proportional to 2,066.00, 2,851.08 and 1,121.79

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Solution

The fourth proportional to 2,066.00, 2,851.08 and 1,121.79 is: 1,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.00 : 2,851.08 = 1,121.79 : x
  2. Step 2: Convert to fraction form
    2,066.00/2,851.08 = 1,121.79/x
  3. Step 3: Cross multiply
    2,066.00x = 2,851.08 × 1,121.79
  4. Step 4: Simplify right side
    2,066.00x = 3,198,307.42
  5. Step 5: Solve for x
    x = 3,198,307.42/2,066.00
  6. Step 6: Final answer
    x = 1,548.07

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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.