Home / 3,215.65-4,438.07-2,036.83

Finding the Fourth Proportional to 3,215.65, 4,438.07 and 2,036.83

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Solution

The fourth proportional to 3,215.65, 4,438.07 and 2,036.83 is: 2,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.65 : 4,438.07 = 2,036.83 : x
  2. Step 2: Convert to fraction form
    3,215.65/4,438.07 = 2,036.83/x
  3. Step 3: Cross multiply
    3,215.65x = 4,438.07 × 2,036.83
  4. Step 4: Simplify right side
    3,215.65x = 9,039,594.12
  5. Step 5: Solve for x
    x = 9,039,594.12/3,215.65
  6. Step 6: Final answer
    x = 2,811.13

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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.