Home / 1,259.58-1,738.19-700.03

Finding the Fourth Proportional to 1,259.58, 1,738.19 and 700.03

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Solution

The fourth proportional to 1,259.58, 1,738.19 and 700.03 is: 966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.58 : 1,738.19 = 700.03 : x
  2. Step 2: Convert to fraction form
    1,259.58/1,738.19 = 700.03/x
  3. Step 3: Cross multiply
    1,259.58x = 1,738.19 × 700.03
  4. Step 4: Simplify right side
    1,259.58x = 1,216,789.07
  5. Step 5: Solve for x
    x = 1,216,789.07/1,259.58
  6. Step 6: Final answer
    x = 966.03

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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.