Home / 3,276.84-4,911.72-1,630.12

Finding the Fourth Proportional to 3,276.84, 4,911.72 and 1,630.12

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Solution

The fourth proportional to 3,276.84, 4,911.72 and 1,630.12 is: 2,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.84 : 4,911.72 = 1,630.12 : x
  2. Step 2: Convert to fraction form
    3,276.84/4,911.72 = 1,630.12/x
  3. Step 3: Cross multiply
    3,276.84x = 4,911.72 × 1,630.12
  4. Step 4: Simplify right side
    3,276.84x = 8,006,693.01
  5. Step 5: Solve for x
    x = 8,006,693.01/3,276.84
  6. Step 6: Final answer
    x = 2,443.42

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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.