Home / 3,137.02-4,704.62-945.16

Finding the Fourth Proportional to 3,137.02, 4,704.62 and 945.16

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Solution

The fourth proportional to 3,137.02, 4,704.62 and 945.16 is: 1,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.02 : 4,704.62 = 945.16 : x
  2. Step 2: Convert to fraction form
    3,137.02/4,704.62 = 945.16/x
  3. Step 3: Cross multiply
    3,137.02x = 4,704.62 × 945.16
  4. Step 4: Simplify right side
    3,137.02x = 4,446,602.15
  5. Step 5: Solve for x
    x = 4,446,602.15/3,137.02
  6. Step 6: Final answer
    x = 1,417.46

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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.