Home / 3,215.04-4,441.44-2,171.68

Finding the Fourth Proportional to 3,215.04, 4,441.44 and 2,171.68

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Solution

The fourth proportional to 3,215.04, 4,441.44 and 2,171.68 is: 3,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.04 : 4,441.44 = 2,171.68 : x
  2. Step 2: Convert to fraction form
    3,215.04/4,441.44 = 2,171.68/x
  3. Step 3: Cross multiply
    3,215.04x = 4,441.44 × 2,171.68
  4. Step 4: Simplify right side
    3,215.04x = 9,645,386.42
  5. Step 5: Solve for x
    x = 9,645,386.42/3,215.04
  6. Step 6: Final answer
    x = 3,000.08

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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.