Home / 2,810.22-4,215.33-961.35

Finding the Fourth Proportional to 2,810.22, 4,215.33 and 961.35

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Solution

The fourth proportional to 2,810.22, 4,215.33 and 961.35 is: 1,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.22 : 4,215.33 = 961.35 : x
  2. Step 2: Convert to fraction form
    2,810.22/4,215.33 = 961.35/x
  3. Step 3: Cross multiply
    2,810.22x = 4,215.33 × 961.35
  4. Step 4: Simplify right side
    2,810.22x = 4,052,407.50
  5. Step 5: Solve for x
    x = 4,052,407.50/2,810.22
  6. Step 6: Final answer
    x = 1,442.03

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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.