Home / 3,925.80-5,416.95-2,601.30

Finding the Fourth Proportional to 3,925.80, 5,416.95 and 2,601.30

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Solution

The fourth proportional to 3,925.80, 5,416.95 and 2,601.30 is: 3,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.80 : 5,416.95 = 2,601.30 : x
  2. Step 2: Convert to fraction form
    3,925.80/5,416.95 = 2,601.30/x
  3. Step 3: Cross multiply
    3,925.80x = 5,416.95 × 2,601.30
  4. Step 4: Simplify right side
    3,925.80x = 14,091,112.04
  5. Step 5: Solve for x
    x = 14,091,112.04/3,925.80
  6. Step 6: Final answer
    x = 3,589.36

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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.