Home / 3,148.34-4,722.27-1,274.36

Finding the Fourth Proportional to 3,148.34, 4,722.27 and 1,274.36

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Solution

The fourth proportional to 3,148.34, 4,722.27 and 1,274.36 is: 1,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.34 : 4,722.27 = 1,274.36 : x
  2. Step 2: Convert to fraction form
    3,148.34/4,722.27 = 1,274.36/x
  3. Step 3: Cross multiply
    3,148.34x = 4,722.27 × 1,274.36
  4. Step 4: Simplify right side
    3,148.34x = 6,017,848.39
  5. Step 5: Solve for x
    x = 6,017,848.39/3,148.34
  6. Step 6: Final answer
    x = 1,911.44

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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.