Home / 1,260.39-1,739.16-700.83

Finding the Fourth Proportional to 1,260.39, 1,739.16 and 700.83

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Solution

The fourth proportional to 1,260.39, 1,739.16 and 700.83 is: 967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.39 : 1,739.16 = 700.83 : x
  2. Step 2: Convert to fraction form
    1,260.39/1,739.16 = 700.83/x
  3. Step 3: Cross multiply
    1,260.39x = 1,739.16 × 700.83
  4. Step 4: Simplify right side
    1,260.39x = 1,218,855.50
  5. Step 5: Solve for x
    x = 1,218,855.50/1,260.39
  6. Step 6: Final answer
    x = 967.05

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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.