Home / 3,927.88-5,421.24-2,601.64

Finding the Fourth Proportional to 3,927.88, 5,421.24 and 2,601.64

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Solution

The fourth proportional to 3,927.88, 5,421.24 and 2,601.64 is: 3,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.88 : 5,421.24 = 2,601.64 : x
  2. Step 2: Convert to fraction form
    3,927.88/5,421.24 = 2,601.64/x
  3. Step 3: Cross multiply
    3,927.88x = 5,421.24 × 2,601.64
  4. Step 4: Simplify right side
    3,927.88x = 14,104,114.83
  5. Step 5: Solve for x
    x = 14,104,114.83/3,927.88
  6. Step 6: Final answer
    x = 3,590.77

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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.