Home / 3,153.86-4,352.54-2,089.80

Finding the Fourth Proportional to 3,153.86, 4,352.54 and 2,089.80

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Solution

The fourth proportional to 3,153.86, 4,352.54 and 2,089.80 is: 2,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.86 : 4,352.54 = 2,089.80 : x
  2. Step 2: Convert to fraction form
    3,153.86/4,352.54 = 2,089.80/x
  3. Step 3: Cross multiply
    3,153.86x = 4,352.54 × 2,089.80
  4. Step 4: Simplify right side
    3,153.86x = 9,095,938.09
  5. Step 5: Solve for x
    x = 9,095,938.09/3,153.86
  6. Step 6: Final answer
    x = 2,884.07

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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.