Home / 1,195.00-1,645.01-1,036.70

Finding the Fourth Proportional to 1,195.00, 1,645.01 and 1,036.70

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Solution

The fourth proportional to 1,195.00, 1,645.01 and 1,036.70 is: 1,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.00 : 1,645.01 = 1,036.70 : x
  2. Step 2: Convert to fraction form
    1,195.00/1,645.01 = 1,036.70/x
  3. Step 3: Cross multiply
    1,195.00x = 1,645.01 × 1,036.70
  4. Step 4: Simplify right side
    1,195.00x = 1,705,378.68
  5. Step 5: Solve for x
    x = 1,705,378.68/1,195.00
  6. Step 6: Final answer
    x = 1,427.09

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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.