Home / 1,918.60-2,874.19-1,606.75

Finding the Fourth Proportional to 1,918.60, 2,874.19 and 1,606.75

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Solution

The fourth proportional to 1,918.60, 2,874.19 and 1,606.75 is: 2,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.60 : 2,874.19 = 1,606.75 : x
  2. Step 2: Convert to fraction form
    1,918.60/2,874.19 = 1,606.75/x
  3. Step 3: Cross multiply
    1,918.60x = 2,874.19 × 1,606.75
  4. Step 4: Simplify right side
    1,918.60x = 4,618,086.39
  5. Step 5: Solve for x
    x = 4,618,086.39/1,918.60
  6. Step 6: Final answer
    x = 2,407.01

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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.