Home / 2,425.12-3,634.57-2,111.48

Finding the Fourth Proportional to 2,425.12, 3,634.57 and 2,111.48

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Solution

The fourth proportional to 2,425.12, 3,634.57 and 2,111.48 is: 3,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.12 : 3,634.57 = 2,111.48 : x
  2. Step 2: Convert to fraction form
    2,425.12/3,634.57 = 2,111.48/x
  3. Step 3: Cross multiply
    2,425.12x = 3,634.57 × 2,111.48
  4. Step 4: Simplify right side
    2,425.12x = 7,674,319.96
  5. Step 5: Solve for x
    x = 7,674,319.96/2,425.12
  6. Step 6: Final answer
    x = 3,164.51

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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.