Home / 2,333.97-3,220.87-1,271.80

Finding the Fourth Proportional to 2,333.97, 3,220.87 and 1,271.80

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Solution

The fourth proportional to 2,333.97, 3,220.87 and 1,271.80 is: 1,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.97 : 3,220.87 = 1,271.80 : x
  2. Step 2: Convert to fraction form
    2,333.97/3,220.87 = 1,271.80/x
  3. Step 3: Cross multiply
    2,333.97x = 3,220.87 × 1,271.80
  4. Step 4: Simplify right side
    2,333.97x = 4,096,291.23
  5. Step 5: Solve for x
    x = 4,096,291.23/2,333.97
  6. Step 6: Final answer
    x = 1,755.07

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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.