Home / 3,434.31-4,739.55-1,942.37

Finding the Fourth Proportional to 3,434.31, 4,739.55 and 1,942.37

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Solution

The fourth proportional to 3,434.31, 4,739.55 and 1,942.37 is: 2,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.31 : 4,739.55 = 1,942.37 : x
  2. Step 2: Convert to fraction form
    3,434.31/4,739.55 = 1,942.37/x
  3. Step 3: Cross multiply
    3,434.31x = 4,739.55 × 1,942.37
  4. Step 4: Simplify right side
    3,434.31x = 9,205,946.53
  5. Step 5: Solve for x
    x = 9,205,946.53/3,434.31
  6. Step 6: Final answer
    x = 2,680.58

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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.