Home / 2,265.08-3,125.96-1,270.42

Finding the Fourth Proportional to 2,265.08, 3,125.96 and 1,270.42

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Solution

The fourth proportional to 2,265.08, 3,125.96 and 1,270.42 is: 1,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.08 : 3,125.96 = 1,270.42 : x
  2. Step 2: Convert to fraction form
    2,265.08/3,125.96 = 1,270.42/x
  3. Step 3: Cross multiply
    2,265.08x = 3,125.96 × 1,270.42
  4. Step 4: Simplify right side
    2,265.08x = 3,971,294.44
  5. Step 5: Solve for x
    x = 3,971,294.44/2,265.08
  6. Step 6: Final answer
    x = 1,753.27

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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.