Home / 1,442.04-2,163.09-1,185

Finding the Fourth Proportional to 1,442.04, 2,163.09 and 1,185

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Solution

The fourth proportional to 1,442.04, 2,163.09 and 1,185 is: 1,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.04 : 2,163.09 = 1,185 : x
  2. Step 2: Convert to fraction form
    1,442.04/2,163.09 = 1,185/x
  3. Step 3: Cross multiply
    1,442.04x = 2,163.09 × 1,185
  4. Step 4: Simplify right side
    1,442.04x = 2,563,261.65
  5. Step 5: Solve for x
    x = 2,563,261.65/1,442.04
  6. Step 6: Final answer
    x = 1,777.52

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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.