Home / 2,192.67-3,025.25-1,353.51

Finding the Fourth Proportional to 2,192.67, 3,025.25 and 1,353.51

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Solution

The fourth proportional to 2,192.67, 3,025.25 and 1,353.51 is: 1,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.67 : 3,025.25 = 1,353.51 : x
  2. Step 2: Convert to fraction form
    2,192.67/3,025.25 = 1,353.51/x
  3. Step 3: Cross multiply
    2,192.67x = 3,025.25 × 1,353.51
  4. Step 4: Simplify right side
    2,192.67x = 4,094,704.44
  5. Step 5: Solve for x
    x = 4,094,704.44/2,192.67
  6. Step 6: Final answer
    x = 1,867.45

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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.