Home / 3,929.90-5,424.71-2,604.03

Finding the Fourth Proportional to 3,929.90, 5,424.71 and 2,604.03

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Solution

The fourth proportional to 3,929.90, 5,424.71 and 2,604.03 is: 3,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.90 : 5,424.71 = 2,604.03 : x
  2. Step 2: Convert to fraction form
    3,929.90/5,424.71 = 2,604.03/x
  3. Step 3: Cross multiply
    3,929.90x = 5,424.71 × 2,604.03
  4. Step 4: Simplify right side
    3,929.90x = 14,126,104.73
  5. Step 5: Solve for x
    x = 14,126,104.73/3,929.90
  6. Step 6: Final answer
    x = 3,594.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.