Home / 2,106.36-2,905.56-1,266.48

Finding the Fourth Proportional to 2,106.36, 2,905.56 and 1,266.48

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Solution

The fourth proportional to 2,106.36, 2,905.56 and 1,266.48 is: 1,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.36 : 2,905.56 = 1,266.48 : x
  2. Step 2: Convert to fraction form
    2,106.36/2,905.56 = 1,266.48/x
  3. Step 3: Cross multiply
    2,106.36x = 2,905.56 × 1,266.48
  4. Step 4: Simplify right side
    2,106.36x = 3,679,833.63
  5. Step 5: Solve for x
    x = 3,679,833.63/2,106.36
  6. Step 6: Final answer
    x = 1,747.01

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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.