Home / 2,265.22-3,125.95-1,270.47

Finding the Fourth Proportional to 2,265.22, 3,125.95 and 1,270.47

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Solution

The fourth proportional to 2,265.22, 3,125.95 and 1,270.47 is: 1,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.22 : 3,125.95 = 1,270.47 : x
  2. Step 2: Convert to fraction form
    2,265.22/3,125.95 = 1,270.47/x
  3. Step 3: Cross multiply
    2,265.22x = 3,125.95 × 1,270.47
  4. Step 4: Simplify right side
    2,265.22x = 3,971,419.34
  5. Step 5: Solve for x
    x = 3,971,419.34/2,265.22
  6. Step 6: Final answer
    x = 1,753.22

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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.