Home / 2,795.01-4,187.90-1,971.55

Finding the Fourth Proportional to 2,795.01, 4,187.90 and 1,971.55

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Solution

The fourth proportional to 2,795.01, 4,187.90 and 1,971.55 is: 2,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.01 : 4,187.90 = 1,971.55 : x
  2. Step 2: Convert to fraction form
    2,795.01/4,187.90 = 1,971.55/x
  3. Step 3: Cross multiply
    2,795.01x = 4,187.90 × 1,971.55
  4. Step 4: Simplify right side
    2,795.01x = 8,256,654.25
  5. Step 5: Solve for x
    x = 8,256,654.25/2,795.01
  6. Step 6: Final answer
    x = 2,954.07

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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.