Home / 2,455.02-3,387.94-1,335.96

Finding the Fourth Proportional to 2,455.02, 3,387.94 and 1,335.96

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Solution

The fourth proportional to 2,455.02, 3,387.94 and 1,335.96 is: 1,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.02 : 3,387.94 = 1,335.96 : x
  2. Step 2: Convert to fraction form
    2,455.02/3,387.94 = 1,335.96/x
  3. Step 3: Cross multiply
    2,455.02x = 3,387.94 × 1,335.96
  4. Step 4: Simplify right side
    2,455.02x = 4,526,148.98
  5. Step 5: Solve for x
    x = 4,526,148.98/2,455.02
  6. Step 6: Final answer
    x = 1,843.63

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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.