Home / 1,946.55-2,918.80-1,330.44

Finding the Fourth Proportional to 1,946.55, 2,918.80 and 1,330.44

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Solution

The fourth proportional to 1,946.55, 2,918.80 and 1,330.44 is: 1,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.55 : 2,918.80 = 1,330.44 : x
  2. Step 2: Convert to fraction form
    1,946.55/2,918.80 = 1,330.44/x
  3. Step 3: Cross multiply
    1,946.55x = 2,918.80 × 1,330.44
  4. Step 4: Simplify right side
    1,946.55x = 3,883,288.27
  5. Step 5: Solve for x
    x = 3,883,288.27/1,946.55
  6. Step 6: Final answer
    x = 1,994.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.