Home / 2,164.40-3,246.60-1,192.40

Finding the Fourth Proportional to 2,164.40, 3,246.60 and 1,192.40

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Solution

The fourth proportional to 2,164.40, 3,246.60 and 1,192.40 is: 1,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.40 : 3,246.60 = 1,192.40 : x
  2. Step 2: Convert to fraction form
    2,164.40/3,246.60 = 1,192.40/x
  3. Step 3: Cross multiply
    2,164.40x = 3,246.60 × 1,192.40
  4. Step 4: Simplify right side
    2,164.40x = 3,871,245.84
  5. Step 5: Solve for x
    x = 3,871,245.84/2,164.40
  6. Step 6: Final answer
    x = 1,788.60

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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.