Home / 2,265.16-3,125.99-1,270.39

Finding the Fourth Proportional to 2,265.16, 3,125.99 and 1,270.39

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Solution

The fourth proportional to 2,265.16, 3,125.99 and 1,270.39 is: 1,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.16 : 3,125.99 = 1,270.39 : x
  2. Step 2: Convert to fraction form
    2,265.16/3,125.99 = 1,270.39/x
  3. Step 3: Cross multiply
    2,265.16x = 3,125.99 × 1,270.39
  4. Step 4: Simplify right side
    2,265.16x = 3,971,226.44
  5. Step 5: Solve for x
    x = 3,971,226.44/2,265.16
  6. Step 6: Final answer
    x = 1,753.18

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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.