Home / 1,260.09-1,738.97-700.72

Finding the Fourth Proportional to 1,260.09, 1,738.97 and 700.72

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Solution

The fourth proportional to 1,260.09, 1,738.97 and 700.72 is: 967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.09 : 1,738.97 = 700.72 : x
  2. Step 2: Convert to fraction form
    1,260.09/1,738.97 = 700.72/x
  3. Step 3: Cross multiply
    1,260.09x = 1,738.97 × 700.72
  4. Step 4: Simplify right side
    1,260.09x = 1,218,525.84
  5. Step 5: Solve for x
    x = 1,218,525.84/1,260.09
  6. Step 6: Final answer
    x = 967.01

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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.