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Finding the Fourth Proportional to 3,284.85, 4,927.27 and 976.35

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Solution

The fourth proportional to 3,284.85, 4,927.27 and 976.35 is: 1,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.85 : 4,927.27 = 976.35 : x
  2. Step 2: Convert to fraction form
    3,284.85/4,927.27 = 976.35/x
  3. Step 3: Cross multiply
    3,284.85x = 4,927.27 × 976.35
  4. Step 4: Simplify right side
    3,284.85x = 4,810,740.06
  5. Step 5: Solve for x
    x = 4,810,740.06/3,284.85
  6. Step 6: Final answer
    x = 1,464.52

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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.