Home / 3,322.67-4,585.20-2,143.74

Finding the Fourth Proportional to 3,322.67, 4,585.20 and 2,143.74

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Solution

The fourth proportional to 3,322.67, 4,585.20 and 2,143.74 is: 2,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.67 : 4,585.20 = 2,143.74 : x
  2. Step 2: Convert to fraction form
    3,322.67/4,585.20 = 2,143.74/x
  3. Step 3: Cross multiply
    3,322.67x = 4,585.20 × 2,143.74
  4. Step 4: Simplify right side
    3,322.67x = 9,829,476.65
  5. Step 5: Solve for x
    x = 9,829,476.65/3,322.67
  6. Step 6: Final answer
    x = 2,958.31

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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.