Home / 1,942.23-2,894.60-1,939.14

Finding the Fourth Proportional to 1,942.23, 2,894.60 and 1,939.14

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Solution

The fourth proportional to 1,942.23, 2,894.60 and 1,939.14 is: 2,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.23 : 2,894.60 = 1,939.14 : x
  2. Step 2: Convert to fraction form
    1,942.23/2,894.60 = 1,939.14/x
  3. Step 3: Cross multiply
    1,942.23x = 2,894.60 × 1,939.14
  4. Step 4: Simplify right side
    1,942.23x = 5,613,039.49
  5. Step 5: Solve for x
    x = 5,613,039.49/1,942.23
  6. Step 6: Final answer
    x = 2,890.00

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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.