Home / 1,942.39-2,899.51-1,797.86

Finding the Fourth Proportional to 1,942.39, 2,899.51 and 1,797.86

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Solution

The fourth proportional to 1,942.39, 2,899.51 and 1,797.86 is: 2,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.39 : 2,899.51 = 1,797.86 : x
  2. Step 2: Convert to fraction form
    1,942.39/2,899.51 = 1,797.86/x
  3. Step 3: Cross multiply
    1,942.39x = 2,899.51 × 1,797.86
  4. Step 4: Simplify right side
    1,942.39x = 5,212,913.05
  5. Step 5: Solve for x
    x = 5,212,913.05/1,942.39
  6. Step 6: Final answer
    x = 2,683.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.