Home / 2,914.26-4,021.69-1,587.97

Finding the Fourth Proportional to 2,914.26, 4,021.69 and 1,587.97

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Solution

The fourth proportional to 2,914.26, 4,021.69 and 1,587.97 is: 2,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.26 : 4,021.69 = 1,587.97 : x
  2. Step 2: Convert to fraction form
    2,914.26/4,021.69 = 1,587.97/x
  3. Step 3: Cross multiply
    2,914.26x = 4,021.69 × 1,587.97
  4. Step 4: Simplify right side
    2,914.26x = 6,386,307.90
  5. Step 5: Solve for x
    x = 6,386,307.90/2,914.26
  6. Step 6: Final answer
    x = 2,191.40

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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.