Home / 1,619.18-2,234.08-1,176.31

Finding the Fourth Proportional to 1,619.18, 2,234.08 and 1,176.31

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Solution

The fourth proportional to 1,619.18, 2,234.08 and 1,176.31 is: 1,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.18 : 2,234.08 = 1,176.31 : x
  2. Step 2: Convert to fraction form
    1,619.18/2,234.08 = 1,176.31/x
  3. Step 3: Cross multiply
    1,619.18x = 2,234.08 × 1,176.31
  4. Step 4: Simplify right side
    1,619.18x = 2,627,970.64
  5. Step 5: Solve for x
    x = 2,627,970.64/1,619.18
  6. Step 6: Final answer
    x = 1,623.03

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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.