Home / 3,491.37-5,238.68-1,543.32

Finding the Fourth Proportional to 3,491.37, 5,238.68 and 1,543.32

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Solution

The fourth proportional to 3,491.37, 5,238.68 and 1,543.32 is: 2,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.37 : 5,238.68 = 1,543.32 : x
  2. Step 2: Convert to fraction form
    3,491.37/5,238.68 = 1,543.32/x
  3. Step 3: Cross multiply
    3,491.37x = 5,238.68 × 1,543.32
  4. Step 4: Simplify right side
    3,491.37x = 8,084,951.90
  5. Step 5: Solve for x
    x = 8,084,951.90/3,491.37
  6. Step 6: Final answer
    x = 2,315.70

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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.