Home / 2,933.79-4,378.64-2,536.72

Finding the Fourth Proportional to 2,933.79, 4,378.64 and 2,536.72

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Solution

The fourth proportional to 2,933.79, 4,378.64 and 2,536.72 is: 3,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.79 : 4,378.64 = 2,536.72 : x
  2. Step 2: Convert to fraction form
    2,933.79/4,378.64 = 2,536.72/x
  3. Step 3: Cross multiply
    2,933.79x = 4,378.64 × 2,536.72
  4. Step 4: Simplify right side
    2,933.79x = 11,107,374.30
  5. Step 5: Solve for x
    x = 11,107,374.30/2,933.79
  6. Step 6: Final answer
    x = 3,786.02

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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.