Home / 3,318.90-4,572.09-2,322.60

Finding the Fourth Proportional to 3,318.90, 4,572.09 and 2,322.60

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Solution

The fourth proportional to 3,318.90, 4,572.09 and 2,322.60 is: 3,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.90 : 4,572.09 = 2,322.60 : x
  2. Step 2: Convert to fraction form
    3,318.90/4,572.09 = 2,322.60/x
  3. Step 3: Cross multiply
    3,318.90x = 4,572.09 × 2,322.60
  4. Step 4: Simplify right side
    3,318.90x = 10,619,136.23
  5. Step 5: Solve for x
    x = 10,619,136.23/3,318.90
  6. Step 6: Final answer
    x = 3,199.60

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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.