Home / 3,925.92-5,420.01-2,601.41

Finding the Fourth Proportional to 3,925.92, 5,420.01 and 2,601.41

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Solution

The fourth proportional to 3,925.92, 5,420.01 and 2,601.41 is: 3,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.92 : 5,420.01 = 2,601.41 : x
  2. Step 2: Convert to fraction form
    3,925.92/5,420.01 = 2,601.41/x
  3. Step 3: Cross multiply
    3,925.92x = 5,420.01 × 2,601.41
  4. Step 4: Simplify right side
    3,925.92x = 14,099,668.76
  5. Step 5: Solve for x
    x = 14,099,668.76/3,925.92
  6. Step 6: Final answer
    x = 3,591.44

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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.