Home / 1,905.96-2,860.56-1,523.64

Finding the Fourth Proportional to 1,905.96, 2,860.56 and 1,523.64

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Solution

The fourth proportional to 1,905.96, 2,860.56 and 1,523.64 is: 2,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.96 : 2,860.56 = 1,523.64 : x
  2. Step 2: Convert to fraction form
    1,905.96/2,860.56 = 1,523.64/x
  3. Step 3: Cross multiply
    1,905.96x = 2,860.56 × 1,523.64
  4. Step 4: Simplify right side
    1,905.96x = 4,358,463.64
  5. Step 5: Solve for x
    x = 4,358,463.64/1,905.96
  6. Step 6: Final answer
    x = 2,286.76

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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.