Home / 3,857.08-5,322.36-2,440.24

Finding the Fourth Proportional to 3,857.08, 5,322.36 and 2,440.24

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Solution

The fourth proportional to 3,857.08, 5,322.36 and 2,440.24 is: 3,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.08 : 5,322.36 = 2,440.24 : x
  2. Step 2: Convert to fraction form
    3,857.08/5,322.36 = 2,440.24/x
  3. Step 3: Cross multiply
    3,857.08x = 5,322.36 × 2,440.24
  4. Step 4: Simplify right side
    3,857.08x = 12,987,835.77
  5. Step 5: Solve for x
    x = 12,987,835.77/3,857.08
  6. Step 6: Final answer
    x = 3,367.27

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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.