Home / 1,946.70-2,904.32-1,853.94

Finding the Fourth Proportional to 1,946.70, 2,904.32 and 1,853.94

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Solution

The fourth proportional to 1,946.70, 2,904.32 and 1,853.94 is: 2,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.70 : 2,904.32 = 1,853.94 : x
  2. Step 2: Convert to fraction form
    1,946.70/2,904.32 = 1,853.94/x
  3. Step 3: Cross multiply
    1,946.70x = 2,904.32 × 1,853.94
  4. Step 4: Simplify right side
    1,946.70x = 5,384,425.75
  5. Step 5: Solve for x
    x = 5,384,425.75/1,946.70
  6. Step 6: Final answer
    x = 2,765.92

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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.