Home / 3,065.88-4,231.08-1,739.76

Finding the Fourth Proportional to 3,065.88, 4,231.08 and 1,739.76

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Solution

The fourth proportional to 3,065.88, 4,231.08 and 1,739.76 is: 2,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.88 : 4,231.08 = 1,739.76 : x
  2. Step 2: Convert to fraction form
    3,065.88/4,231.08 = 1,739.76/x
  3. Step 3: Cross multiply
    3,065.88x = 4,231.08 × 1,739.76
  4. Step 4: Simplify right side
    3,065.88x = 7,361,063.74
  5. Step 5: Solve for x
    x = 7,361,063.74/3,065.88
  6. Step 6: Final answer
    x = 2,400.96

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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.