Home / 3,216.25-4,438.70-2,036.89

Finding the Fourth Proportional to 3,216.25, 4,438.70 and 2,036.89

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Solution

The fourth proportional to 3,216.25, 4,438.70 and 2,036.89 is: 2,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.25 : 4,438.70 = 2,036.89 : x
  2. Step 2: Convert to fraction form
    3,216.25/4,438.70 = 2,036.89/x
  3. Step 3: Cross multiply
    3,216.25x = 4,438.70 × 2,036.89
  4. Step 4: Simplify right side
    3,216.25x = 9,041,143.64
  5. Step 5: Solve for x
    x = 9,041,143.64/3,216.25
  6. Step 6: Final answer
    x = 2,811.08

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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.