Home / 1,623.66-2,434.94-527.75

Finding the Fourth Proportional to 1,623.66, 2,434.94 and 527.75

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Solution

The fourth proportional to 1,623.66, 2,434.94 and 527.75 is: 791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.66 : 2,434.94 = 527.75 : x
  2. Step 2: Convert to fraction form
    1,623.66/2,434.94 = 527.75/x
  3. Step 3: Cross multiply
    1,623.66x = 2,434.94 × 527.75
  4. Step 4: Simplify right side
    1,623.66x = 1,285,036.95
  5. Step 5: Solve for x
    x = 1,285,036.95/1,623.66
  6. Step 6: Final answer
    x = 791.44

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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.