Home / 2,110.58-3,167.80-1,071.30

Finding the Fourth Proportional to 2,110.58, 3,167.80 and 1,071.30

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Solution

The fourth proportional to 2,110.58, 3,167.80 and 1,071.30 is: 1,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.58 : 3,167.80 = 1,071.30 : x
  2. Step 2: Convert to fraction form
    2,110.58/3,167.80 = 1,071.30/x
  3. Step 3: Cross multiply
    2,110.58x = 3,167.80 × 1,071.30
  4. Step 4: Simplify right side
    2,110.58x = 3,393,664.14
  5. Step 5: Solve for x
    x = 3,393,664.14/2,110.58
  6. Step 6: Final answer
    x = 1,607.93

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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.