Home / 3,276.90-4,915.35-3,228.30

Finding the Fourth Proportional to 3,276.90, 4,915.35 and 3,228.30

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Solution

The fourth proportional to 3,276.90, 4,915.35 and 3,228.30 is: 4,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.90 : 4,915.35 = 3,228.30 : x
  2. Step 2: Convert to fraction form
    3,276.90/4,915.35 = 3,228.30/x
  3. Step 3: Cross multiply
    3,276.90x = 4,915.35 × 3,228.30
  4. Step 4: Simplify right side
    3,276.90x = 15,868,224.41
  5. Step 5: Solve for x
    x = 15,868,224.41/3,276.90
  6. Step 6: Final answer
    x = 4,842.45

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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.