Home / 3,215.88-4,437.31-2,037.34

Finding the Fourth Proportional to 3,215.88, 4,437.31 and 2,037.34

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Solution

The fourth proportional to 3,215.88, 4,437.31 and 2,037.34 is: 2,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.88 : 4,437.31 = 2,037.34 : x
  2. Step 2: Convert to fraction form
    3,215.88/4,437.31 = 2,037.34/x
  3. Step 3: Cross multiply
    3,215.88x = 4,437.31 × 2,037.34
  4. Step 4: Simplify right side
    3,215.88x = 9,040,309.16
  5. Step 5: Solve for x
    x = 9,040,309.16/3,215.88
  6. Step 6: Final answer
    x = 2,811.15

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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.