Home / 3,929.48-5,424.93-2,604.98

Finding the Fourth Proportional to 3,929.48, 5,424.93 and 2,604.98

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Solution

The fourth proportional to 3,929.48, 5,424.93 and 2,604.98 is: 3,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.48 : 5,424.93 = 2,604.98 : x
  2. Step 2: Convert to fraction form
    3,929.48/5,424.93 = 2,604.98/x
  3. Step 3: Cross multiply
    3,929.48x = 5,424.93 × 2,604.98
  4. Step 4: Simplify right side
    3,929.48x = 14,131,834.15
  5. Step 5: Solve for x
    x = 14,131,834.15/3,929.48
  6. Step 6: Final answer
    x = 3,596.36

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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.