Home / 3,096.02-4,644.36-905.10

Finding the Fourth Proportional to 3,096.02, 4,644.36 and 905.10

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Solution

The fourth proportional to 3,096.02, 4,644.36 and 905.10 is: 1,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.02 : 4,644.36 = 905.10 : x
  2. Step 2: Convert to fraction form
    3,096.02/4,644.36 = 905.10/x
  3. Step 3: Cross multiply
    3,096.02x = 4,644.36 × 905.10
  4. Step 4: Simplify right side
    3,096.02x = 4,203,610.24
  5. Step 5: Solve for x
    x = 4,203,610.24/3,096.02
  6. Step 6: Final answer
    x = 1,357.75

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Double scale
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1.5x scale

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.