Home / 3,622.08-5,431.72-1,543.07

Finding the Fourth Proportional to 3,622.08, 5,431.72 and 1,543.07

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Solution

The fourth proportional to 3,622.08, 5,431.72 and 1,543.07 is: 2,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.08 : 5,431.72 = 1,543.07 : x
  2. Step 2: Convert to fraction form
    3,622.08/5,431.72 = 1,543.07/x
  3. Step 3: Cross multiply
    3,622.08x = 5,431.72 × 1,543.07
  4. Step 4: Simplify right side
    3,622.08x = 8,381,524.18
  5. Step 5: Solve for x
    x = 8,381,524.18/3,622.08
  6. Step 6: Final answer
    x = 2,314.01

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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.