Home / 3,212.48-4,818.72-1,264.64

Finding the Fourth Proportional to 3,212.48, 4,818.72 and 1,264.64

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Solution

The fourth proportional to 3,212.48, 4,818.72 and 1,264.64 is: 1,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.48 : 4,818.72 = 1,264.64 : x
  2. Step 2: Convert to fraction form
    3,212.48/4,818.72 = 1,264.64/x
  3. Step 3: Cross multiply
    3,212.48x = 4,818.72 × 1,264.64
  4. Step 4: Simplify right side
    3,212.48x = 6,093,946.06
  5. Step 5: Solve for x
    x = 6,093,946.06/3,212.48
  6. Step 6: Final answer
    x = 1,896.96

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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.