Home / 2,455.67-3,686.22-1,222.74

Finding the Fourth Proportional to 2,455.67, 3,686.22 and 1,222.74

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Solution

The fourth proportional to 2,455.67, 3,686.22 and 1,222.74 is: 1,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.67 : 3,686.22 = 1,222.74 : x
  2. Step 2: Convert to fraction form
    2,455.67/3,686.22 = 1,222.74/x
  3. Step 3: Cross multiply
    2,455.67x = 3,686.22 × 1,222.74
  4. Step 4: Simplify right side
    2,455.67x = 4,507,288.64
  5. Step 5: Solve for x
    x = 4,507,288.64/2,455.67
  6. Step 6: Final answer
    x = 1,835.47

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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.