Home / 3,543.22-4,889.59-1,971.33

Finding the Fourth Proportional to 3,543.22, 4,889.59 and 1,971.33

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Solution

The fourth proportional to 3,543.22, 4,889.59 and 1,971.33 is: 2,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.22 : 4,889.59 = 1,971.33 : x
  2. Step 2: Convert to fraction form
    3,543.22/4,889.59 = 1,971.33/x
  3. Step 3: Cross multiply
    3,543.22x = 4,889.59 × 1,971.33
  4. Step 4: Simplify right side
    3,543.22x = 9,638,995.45
  5. Step 5: Solve for x
    x = 9,638,995.45/3,543.22
  6. Step 6: Final answer
    x = 2,720.41

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1.5x scale

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.