Home / 1,331.71-1,840.26-1,016.62

Finding the Fourth Proportional to 1,331.71, 1,840.26 and 1,016.62

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Solution

The fourth proportional to 1,331.71, 1,840.26 and 1,016.62 is: 1,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.71 : 1,840.26 = 1,016.62 : x
  2. Step 2: Convert to fraction form
    1,331.71/1,840.26 = 1,016.62/x
  3. Step 3: Cross multiply
    1,331.71x = 1,840.26 × 1,016.62
  4. Step 4: Simplify right side
    1,331.71x = 1,870,845.12
  5. Step 5: Solve for x
    x = 1,870,845.12/1,331.71
  6. Step 6: Final answer
    x = 1,404.84

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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.