Home / 1,260.36-1,741.05-1,198.85

Finding the Fourth Proportional to 1,260.36, 1,741.05 and 1,198.85

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Solution

The fourth proportional to 1,260.36, 1,741.05 and 1,198.85 is: 1,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.36 : 1,741.05 = 1,198.85 : x
  2. Step 2: Convert to fraction form
    1,260.36/1,741.05 = 1,198.85/x
  3. Step 3: Cross multiply
    1,260.36x = 1,741.05 × 1,198.85
  4. Step 4: Simplify right side
    1,260.36x = 2,087,257.79
  5. Step 5: Solve for x
    x = 2,087,257.79/1,260.36
  6. Step 6: Final answer
    x = 1,656.08

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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.