Home / 3,247.02-4,870.62-938.52

Finding the Fourth Proportional to 3,247.02, 4,870.62 and 938.52

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Solution

The fourth proportional to 3,247.02, 4,870.62 and 938.52 is: 1,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.02 : 4,870.62 = 938.52 : x
  2. Step 2: Convert to fraction form
    3,247.02/4,870.62 = 938.52/x
  3. Step 3: Cross multiply
    3,247.02x = 4,870.62 × 938.52
  4. Step 4: Simplify right side
    3,247.02x = 4,571,174.28
  5. Step 5: Solve for x
    x = 4,571,174.28/3,247.02
  6. Step 6: Final answer
    x = 1,407.81

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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.