Home / 3,397.40-5,090.70-2,522.60

Finding the Fourth Proportional to 3,397.40, 5,090.70 and 2,522.60

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Solution

The fourth proportional to 3,397.40, 5,090.70 and 2,522.60 is: 3,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.40 : 5,090.70 = 2,522.60 : x
  2. Step 2: Convert to fraction form
    3,397.40/5,090.70 = 2,522.60/x
  3. Step 3: Cross multiply
    3,397.40x = 5,090.70 × 2,522.60
  4. Step 4: Simplify right side
    3,397.40x = 12,841,799.82
  5. Step 5: Solve for x
    x = 12,841,799.82/3,397.40
  6. Step 6: Final answer
    x = 3,779.89

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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.