Home / 1,867.27-2,795.53-1,455.15

Finding the Fourth Proportional to 1,867.27, 2,795.53 and 1,455.15

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Solution

The fourth proportional to 1,867.27, 2,795.53 and 1,455.15 is: 2,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.27 : 2,795.53 = 1,455.15 : x
  2. Step 2: Convert to fraction form
    1,867.27/2,795.53 = 1,455.15/x
  3. Step 3: Cross multiply
    1,867.27x = 2,795.53 × 1,455.15
  4. Step 4: Simplify right side
    1,867.27x = 4,067,914.98
  5. Step 5: Solve for x
    x = 4,067,914.98/1,867.27
  6. Step 6: Final answer
    x = 2,178.54

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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.