Home / 1,634.60-2,253.89-1,240.94

Finding the Fourth Proportional to 1,634.60, 2,253.89 and 1,240.94

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Solution

The fourth proportional to 1,634.60, 2,253.89 and 1,240.94 is: 1,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.60 : 2,253.89 = 1,240.94 : x
  2. Step 2: Convert to fraction form
    1,634.60/2,253.89 = 1,240.94/x
  3. Step 3: Cross multiply
    1,634.60x = 2,253.89 × 1,240.94
  4. Step 4: Simplify right side
    1,634.60x = 2,796,950.99
  5. Step 5: Solve for x
    x = 2,796,950.99/1,634.60
  6. Step 6: Final answer
    x = 1,711.09

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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.