Home / 2,375.31-3,558.66-1,140.98

Finding the Fourth Proportional to 2,375.31, 3,558.66 and 1,140.98

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Solution

The fourth proportional to 2,375.31, 3,558.66 and 1,140.98 is: 1,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.31 : 3,558.66 = 1,140.98 : x
  2. Step 2: Convert to fraction form
    2,375.31/3,558.66 = 1,140.98/x
  3. Step 3: Cross multiply
    2,375.31x = 3,558.66 × 1,140.98
  4. Step 4: Simplify right side
    2,375.31x = 4,060,342.09
  5. Step 5: Solve for x
    x = 4,060,342.09/2,375.31
  6. Step 6: Final answer
    x = 1,709.39

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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.