Home / 2,192.40-3,025.35-1,353.15

Finding the Fourth Proportional to 2,192.40, 3,025.35 and 1,353.15

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Solution

The fourth proportional to 2,192.40, 3,025.35 and 1,353.15 is: 1,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.40 : 3,025.35 = 1,353.15 : x
  2. Step 2: Convert to fraction form
    2,192.40/3,025.35 = 1,353.15/x
  3. Step 3: Cross multiply
    2,192.40x = 3,025.35 × 1,353.15
  4. Step 4: Simplify right side
    2,192.40x = 4,093,752.35
  5. Step 5: Solve for x
    x = 4,093,752.35/2,192.40
  6. Step 6: Final answer
    x = 1,867.25

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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.