Home / 3,543.68-5,316.48-1,899.92

Finding the Fourth Proportional to 3,543.68, 5,316.48 and 1,899.92

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Solution

The fourth proportional to 3,543.68, 5,316.48 and 1,899.92 is: 2,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.68 : 5,316.48 = 1,899.92 : x
  2. Step 2: Convert to fraction form
    3,543.68/5,316.48 = 1,899.92/x
  3. Step 3: Cross multiply
    3,543.68x = 5,316.48 × 1,899.92
  4. Step 4: Simplify right side
    3,543.68x = 10,100,886.68
  5. Step 5: Solve for x
    x = 10,100,886.68/3,543.68
  6. Step 6: Final answer
    x = 2,850.39

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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.