Home / 1,623.40-2,435.50-527.82

Finding the Fourth Proportional to 1,623.40, 2,435.50 and 527.82

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Solution

The fourth proportional to 1,623.40, 2,435.50 and 527.82 is: 791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.40 : 2,435.50 = 527.82 : x
  2. Step 2: Convert to fraction form
    1,623.40/2,435.50 = 527.82/x
  3. Step 3: Cross multiply
    1,623.40x = 2,435.50 × 527.82
  4. Step 4: Simplify right side
    1,623.40x = 1,285,505.61
  5. Step 5: Solve for x
    x = 1,285,505.61/1,623.40
  6. Step 6: Final answer
    x = 791.86

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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.