Home / 2,914.03-4,021.46-1,587.79

Finding the Fourth Proportional to 2,914.03, 4,021.46 and 1,587.79

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Solution

The fourth proportional to 2,914.03, 4,021.46 and 1,587.79 is: 2,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.03 : 4,021.46 = 1,587.79 : x
  2. Step 2: Convert to fraction form
    2,914.03/4,021.46 = 1,587.79/x
  3. Step 3: Cross multiply
    2,914.03x = 4,021.46 × 1,587.79
  4. Step 4: Simplify right side
    2,914.03x = 6,385,233.97
  5. Step 5: Solve for x
    x = 6,385,233.97/2,914.03
  6. Step 6: Final answer
    x = 2,191.20

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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.