Home / 3,434.65-4,739.77-1,942.58

Finding the Fourth Proportional to 3,434.65, 4,739.77 and 1,942.58

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Solution

The fourth proportional to 3,434.65, 4,739.77 and 1,942.58 is: 2,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.65 : 4,739.77 = 1,942.58 : x
  2. Step 2: Convert to fraction form
    3,434.65/4,739.77 = 1,942.58/x
  3. Step 3: Cross multiply
    3,434.65x = 4,739.77 × 1,942.58
  4. Step 4: Simplify right side
    3,434.65x = 9,207,382.41
  5. Step 5: Solve for x
    x = 9,207,382.41/3,434.65
  6. Step 6: Final answer
    x = 2,680.73

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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.