Home / 3,153.50-4,352.73-2,108.60

Finding the Fourth Proportional to 3,153.50, 4,352.73 and 2,108.60

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Solution

The fourth proportional to 3,153.50, 4,352.73 and 2,108.60 is: 2,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.50 : 4,352.73 = 2,108.60 : x
  2. Step 2: Convert to fraction form
    3,153.50/4,352.73 = 2,108.60/x
  3. Step 3: Cross multiply
    3,153.50x = 4,352.73 × 2,108.60
  4. Step 4: Simplify right side
    3,153.50x = 9,178,166.48
  5. Step 5: Solve for x
    x = 9,178,166.48/3,153.50
  6. Step 6: Final answer
    x = 2,910.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.