Home / 3,924.30-5,860.64-3,145.48

Finding the Fourth Proportional to 3,924.30, 5,860.64 and 3,145.48

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Solution

The fourth proportional to 3,924.30, 5,860.64 and 3,145.48 is: 4,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.30 : 5,860.64 = 3,145.48 : x
  2. Step 2: Convert to fraction form
    3,924.30/5,860.64 = 3,145.48/x
  3. Step 3: Cross multiply
    3,924.30x = 5,860.64 × 3,145.48
  4. Step 4: Simplify right side
    3,924.30x = 18,434,525.91
  5. Step 5: Solve for x
    x = 18,434,525.91/3,924.30
  6. Step 6: Final answer
    x = 4,697.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.