Home / 3,224.28-4,836.56-1,276.50

Finding the Fourth Proportional to 3,224.28, 4,836.56 and 1,276.50

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Solution

The fourth proportional to 3,224.28, 4,836.56 and 1,276.50 is: 1,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.28 : 4,836.56 = 1,276.50 : x
  2. Step 2: Convert to fraction form
    3,224.28/4,836.56 = 1,276.50/x
  3. Step 3: Cross multiply
    3,224.28x = 4,836.56 × 1,276.50
  4. Step 4: Simplify right side
    3,224.28x = 6,173,862.46
  5. Step 5: Solve for x
    x = 6,173,862.46/3,224.28
  6. Step 6: Final answer
    x = 1,914.80

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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.