Home / 2,445.31-3,374.34-1,382.98

Finding the Fourth Proportional to 2,445.31, 3,374.34 and 1,382.98

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Solution

The fourth proportional to 2,445.31, 3,374.34 and 1,382.98 is: 1,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.31 : 3,374.34 = 1,382.98 : x
  2. Step 2: Convert to fraction form
    2,445.31/3,374.34 = 1,382.98/x
  3. Step 3: Cross multiply
    2,445.31x = 3,374.34 × 1,382.98
  4. Step 4: Simplify right side
    2,445.31x = 4,666,644.73
  5. Step 5: Solve for x
    x = 4,666,644.73/2,445.31
  6. Step 6: Final answer
    x = 1,908.41

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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.