Home / 3,475.23-4,782.67-2,764.72

Finding the Fourth Proportional to 3,475.23, 4,782.67 and 2,764.72

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Solution

The fourth proportional to 3,475.23, 4,782.67 and 2,764.72 is: 3,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.23 : 4,782.67 = 2,764.72 : x
  2. Step 2: Convert to fraction form
    3,475.23/4,782.67 = 2,764.72/x
  3. Step 3: Cross multiply
    3,475.23x = 4,782.67 × 2,764.72
  4. Step 4: Simplify right side
    3,475.23x = 13,222,743.40
  5. Step 5: Solve for x
    x = 13,222,743.40/3,475.23
  6. Step 6: Final answer
    x = 3,804.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.