Home / 3,137.23-4,706.48-945.98

Finding the Fourth Proportional to 3,137.23, 4,706.48 and 945.98

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Solution

The fourth proportional to 3,137.23, 4,706.48 and 945.98 is: 1,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.23 : 4,706.48 = 945.98 : x
  2. Step 2: Convert to fraction form
    3,137.23/4,706.48 = 945.98/x
  3. Step 3: Cross multiply
    3,137.23x = 4,706.48 × 945.98
  4. Step 4: Simplify right side
    3,137.23x = 4,452,214.78
  5. Step 5: Solve for x
    x = 4,452,214.78/3,137.23
  6. Step 6: Final answer
    x = 1,419.16

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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.