Home / 1,260.44-1,739.40-700.84

Finding the Fourth Proportional to 1,260.44, 1,739.40 and 700.84

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Solution

The fourth proportional to 1,260.44, 1,739.40 and 700.84 is: 967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.44 : 1,739.40 = 700.84 : x
  2. Step 2: Convert to fraction form
    1,260.44/1,739.40 = 700.84/x
  3. Step 3: Cross multiply
    1,260.44x = 1,739.40 × 700.84
  4. Step 4: Simplify right side
    1,260.44x = 1,219,041.10
  5. Step 5: Solve for x
    x = 1,219,041.10/1,260.44
  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.