Home / 3,218.32-4,814.64-2,588.56

Finding the Fourth Proportional to 3,218.32, 4,814.64 and 2,588.56

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Solution

The fourth proportional to 3,218.32, 4,814.64 and 2,588.56 is: 3,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.32 : 4,814.64 = 2,588.56 : x
  2. Step 2: Convert to fraction form
    3,218.32/4,814.64 = 2,588.56/x
  3. Step 3: Cross multiply
    3,218.32x = 4,814.64 × 2,588.56
  4. Step 4: Simplify right side
    3,218.32x = 12,462,984.52
  5. Step 5: Solve for x
    x = 12,462,984.52/3,218.32
  6. Step 6: Final answer
    x = 3,872.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.