Home / 2,203.65-3,299.40-2,142.90

Finding the Fourth Proportional to 2,203.65, 3,299.40 and 2,142.90

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Solution

The fourth proportional to 2,203.65, 3,299.40 and 2,142.90 is: 3,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.65 : 3,299.40 = 2,142.90 : x
  2. Step 2: Convert to fraction form
    2,203.65/3,299.40 = 2,142.90/x
  3. Step 3: Cross multiply
    2,203.65x = 3,299.40 × 2,142.90
  4. Step 4: Simplify right side
    2,203.65x = 7,070,284.26
  5. Step 5: Solve for x
    x = 7,070,284.26/2,203.65
  6. Step 6: Final answer
    x = 3,208.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.