Home / 1,260.41-1,739.27-700.88

Finding the Fourth Proportional to 1,260.41, 1,739.27 and 700.88

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Solution

The fourth proportional to 1,260.41, 1,739.27 and 700.88 is: 967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.41 : 1,739.27 = 700.88 : x
  2. Step 2: Convert to fraction form
    1,260.41/1,739.27 = 700.88/x
  3. Step 3: Cross multiply
    1,260.41x = 1,739.27 × 700.88
  4. Step 4: Simplify right side
    1,260.41x = 1,219,016.05
  5. Step 5: Solve for x
    x = 1,219,016.05/1,260.41
  6. Step 6: Final answer
    x = 967.16

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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.