Home / 2,755.31-4,131.12-1,523.30

Finding the Fourth Proportional to 2,755.31, 4,131.12 and 1,523.30

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Solution

The fourth proportional to 2,755.31, 4,131.12 and 1,523.30 is: 2,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.31 : 4,131.12 = 1,523.30 : x
  2. Step 2: Convert to fraction form
    2,755.31/4,131.12 = 1,523.30/x
  3. Step 3: Cross multiply
    2,755.31x = 4,131.12 × 1,523.30
  4. Step 4: Simplify right side
    2,755.31x = 6,292,935.10
  5. Step 5: Solve for x
    x = 6,292,935.10/2,755.31
  6. Step 6: Final answer
    x = 2,283.93

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1.5x scale

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.