Home / 3,276.48-4,915.68-1,328.16

Finding the Fourth Proportional to 3,276.48, 4,915.68 and 1,328.16

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Solution

The fourth proportional to 3,276.48, 4,915.68 and 1,328.16 is: 1,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.48 : 4,915.68 = 1,328.16 : x
  2. Step 2: Convert to fraction form
    3,276.48/4,915.68 = 1,328.16/x
  3. Step 3: Cross multiply
    3,276.48x = 4,915.68 × 1,328.16
  4. Step 4: Simplify right side
    3,276.48x = 6,528,809.55
  5. Step 5: Solve for x
    x = 6,528,809.55/3,276.48
  6. Step 6: Final answer
    x = 1,992.63

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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.