Home / 3,543.78-5,315.67-1,204.02

Finding the Fourth Proportional to 3,543.78, 5,315.67 and 1,204.02

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Solution

The fourth proportional to 3,543.78, 5,315.67 and 1,204.02 is: 1,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.78 : 5,315.67 = 1,204.02 : x
  2. Step 2: Convert to fraction form
    3,543.78/5,315.67 = 1,204.02/x
  3. Step 3: Cross multiply
    3,543.78x = 5,315.67 × 1,204.02
  4. Step 4: Simplify right side
    3,543.78x = 6,400,172.99
  5. Step 5: Solve for x
    x = 6,400,172.99/3,543.78
  6. Step 6: Final answer
    x = 1,806.03

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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.