Home / 3,276.71-4,915.03-1,328.45

Finding the Fourth Proportional to 3,276.71, 4,915.03 and 1,328.45

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Solution

The fourth proportional to 3,276.71, 4,915.03 and 1,328.45 is: 1,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.71 : 4,915.03 = 1,328.45 : x
  2. Step 2: Convert to fraction form
    3,276.71/4,915.03 = 1,328.45/x
  3. Step 3: Cross multiply
    3,276.71x = 4,915.03 × 1,328.45
  4. Step 4: Simplify right side
    3,276.71x = 6,529,343.71
  5. Step 5: Solve for x
    x = 6,529,343.71/3,276.71
  6. Step 6: Final answer
    x = 1,992.66

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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.