Home / 1,941.48-2,678.81-1,628.01

Finding the Fourth Proportional to 1,941.48, 2,678.81 and 1,628.01

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Solution

The fourth proportional to 1,941.48, 2,678.81 and 1,628.01 is: 2,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.48 : 2,678.81 = 1,628.01 : x
  2. Step 2: Convert to fraction form
    1,941.48/2,678.81 = 1,628.01/x
  3. Step 3: Cross multiply
    1,941.48x = 2,678.81 × 1,628.01
  4. Step 4: Simplify right side
    1,941.48x = 4,361,121.33
  5. Step 5: Solve for x
    x = 4,361,121.33/1,941.48
  6. Step 6: Final answer
    x = 2,246.29

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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.