Home / 2,265.02-3,125.79-1,270.43

Finding the Fourth Proportional to 2,265.02, 3,125.79 and 1,270.43

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Solution

The fourth proportional to 2,265.02, 3,125.79 and 1,270.43 is: 1,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.02 : 3,125.79 = 1,270.43 : x
  2. Step 2: Convert to fraction form
    2,265.02/3,125.79 = 1,270.43/x
  3. Step 3: Cross multiply
    2,265.02x = 3,125.79 × 1,270.43
  4. Step 4: Simplify right side
    2,265.02x = 3,971,081.76
  5. Step 5: Solve for x
    x = 3,971,081.76/2,265.02
  6. Step 6: Final answer
    x = 1,753.23

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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.