Home / 2,634.74-3,635.94-1,455.80

Finding the Fourth Proportional to 2,634.74, 3,635.94 and 1,455.80

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Solution

The fourth proportional to 2,634.74, 3,635.94 and 1,455.80 is: 2,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.74 : 3,635.94 = 1,455.80 : x
  2. Step 2: Convert to fraction form
    2,634.74/3,635.94 = 1,455.80/x
  3. Step 3: Cross multiply
    2,634.74x = 3,635.94 × 1,455.80
  4. Step 4: Simplify right side
    2,634.74x = 5,293,201.45
  5. Step 5: Solve for x
    x = 5,293,201.45/2,634.74
  6. Step 6: Final answer
    x = 2,009.00

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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.