Home / 4,112.30-5,675.50-2,343.90

Finding the Fourth Proportional to 4,112.30, 5,675.50 and 2,343.90

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Solution

The fourth proportional to 4,112.30, 5,675.50 and 2,343.90 is: 3,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.30 : 5,675.50 = 2,343.90 : x
  2. Step 2: Convert to fraction form
    4,112.30/5,675.50 = 2,343.90/x
  3. Step 3: Cross multiply
    4,112.30x = 5,675.50 × 2,343.90
  4. Step 4: Simplify right side
    4,112.30x = 13,302,804.45
  5. Step 5: Solve for x
    x = 13,302,804.45/4,112.30
  6. Step 6: Final answer
    x = 3,234.88

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1.5x scale

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.