Home / 3,086.70-4,259.67-1,760.46

Finding the Fourth Proportional to 3,086.70, 4,259.67 and 1,760.46

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Solution

The fourth proportional to 3,086.70, 4,259.67 and 1,760.46 is: 2,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.70 : 4,259.67 = 1,760.46 : x
  2. Step 2: Convert to fraction form
    3,086.70/4,259.67 = 1,760.46/x
  3. Step 3: Cross multiply
    3,086.70x = 4,259.67 × 1,760.46
  4. Step 4: Simplify right side
    3,086.70x = 7,498,978.65
  5. Step 5: Solve for x
    x = 7,498,978.65/3,086.70
  6. Step 6: Final answer
    x = 2,429.45

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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.