Home / 3,248.45-4,871.86-1,274.48

Finding the Fourth Proportional to 3,248.45, 4,871.86 and 1,274.48

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Solution

The fourth proportional to 3,248.45, 4,871.86 and 1,274.48 is: 1,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.45 : 4,871.86 = 1,274.48 : x
  2. Step 2: Convert to fraction form
    3,248.45/4,871.86 = 1,274.48/x
  3. Step 3: Cross multiply
    3,248.45x = 4,871.86 × 1,274.48
  4. Step 4: Simplify right side
    3,248.45x = 6,209,057.40
  5. Step 5: Solve for x
    x = 6,209,057.40/3,248.45
  6. Step 6: Final answer
    x = 1,911.39

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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.