Home / 3,212.60-4,818.86-1,264.82

Finding the Fourth Proportional to 3,212.60, 4,818.86 and 1,264.82

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Solution

The fourth proportional to 3,212.60, 4,818.86 and 1,264.82 is: 1,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.60 : 4,818.86 = 1,264.82 : x
  2. Step 2: Convert to fraction form
    3,212.60/4,818.86 = 1,264.82/x
  3. Step 3: Cross multiply
    3,212.60x = 4,818.86 × 1,264.82
  4. Step 4: Simplify right side
    3,212.60x = 6,094,964.83
  5. Step 5: Solve for x
    x = 6,094,964.83/3,212.60
  6. Step 6: Final answer
    x = 1,897.21

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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.