Home / 2,202.51-3,302.69-1,090.64

Finding the Fourth Proportional to 2,202.51, 3,302.69 and 1,090.64

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Solution

The fourth proportional to 2,202.51, 3,302.69 and 1,090.64 is: 1,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.51 : 3,302.69 = 1,090.64 : x
  2. Step 2: Convert to fraction form
    2,202.51/3,302.69 = 1,090.64/x
  3. Step 3: Cross multiply
    2,202.51x = 3,302.69 × 1,090.64
  4. Step 4: Simplify right side
    2,202.51x = 3,602,045.82
  5. Step 5: Solve for x
    x = 3,602,045.82/2,202.51
  6. Step 6: Final answer
    x = 1,635.43

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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.