Home / 2,084.58-3,127.01-623.88

Finding the Fourth Proportional to 2,084.58, 3,127.01 and 623.88

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Solution

The fourth proportional to 2,084.58, 3,127.01 and 623.88 is: 935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.58 : 3,127.01 = 623.88 : x
  2. Step 2: Convert to fraction form
    2,084.58/3,127.01 = 623.88/x
  3. Step 3: Cross multiply
    2,084.58x = 3,127.01 × 623.88
  4. Step 4: Simplify right side
    2,084.58x = 1,950,875.88
  5. Step 5: Solve for x
    x = 1,950,875.88/2,084.58
  6. Step 6: Final answer
    x = 935.86

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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.