Home / 2,242.26-3,340.40-2,185.02

Finding the Fourth Proportional to 2,242.26, 3,340.40 and 2,185.02

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Solution

The fourth proportional to 2,242.26, 3,340.40 and 2,185.02 is: 3,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.26 : 3,340.40 = 2,185.02 : x
  2. Step 2: Convert to fraction form
    2,242.26/3,340.40 = 2,185.02/x
  3. Step 3: Cross multiply
    2,242.26x = 3,340.40 × 2,185.02
  4. Step 4: Simplify right side
    2,242.26x = 7,298,829.88
  5. Step 5: Solve for x
    x = 7,298,829.88/2,242.26
  6. Step 6: Final answer
    x = 3,255.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.