Home / 2,923.22-4,385.48-1,690.94

Finding the Fourth Proportional to 2,923.22, 4,385.48 and 1,690.94

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Solution

The fourth proportional to 2,923.22, 4,385.48 and 1,690.94 is: 2,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.22 : 4,385.48 = 1,690.94 : x
  2. Step 2: Convert to fraction form
    2,923.22/4,385.48 = 1,690.94/x
  3. Step 3: Cross multiply
    2,923.22x = 4,385.48 × 1,690.94
  4. Step 4: Simplify right side
    2,923.22x = 7,415,586.06
  5. Step 5: Solve for x
    x = 7,415,586.06/2,923.22
  6. Step 6: Final answer
    x = 2,536.78

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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.