Home / 3,284.40-4,926.60-3,142.20

Finding the Fourth Proportional to 3,284.40, 4,926.60 and 3,142.20

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Solution

The fourth proportional to 3,284.40, 4,926.60 and 3,142.20 is: 4,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.40 : 4,926.60 = 3,142.20 : x
  2. Step 2: Convert to fraction form
    3,284.40/4,926.60 = 3,142.20/x
  3. Step 3: Cross multiply
    3,284.40x = 4,926.60 × 3,142.20
  4. Step 4: Simplify right side
    3,284.40x = 15,480,362.52
  5. Step 5: Solve for x
    x = 15,480,362.52/3,284.40
  6. Step 6: Final answer
    x = 4,713.30

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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.