Home / 2,265.78-3,127.14-1,334.28

Finding the Fourth Proportional to 2,265.78, 3,127.14 and 1,334.28

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Solution

The fourth proportional to 2,265.78, 3,127.14 and 1,334.28 is: 1,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.78 : 3,127.14 = 1,334.28 : x
  2. Step 2: Convert to fraction form
    2,265.78/3,127.14 = 1,334.28/x
  3. Step 3: Cross multiply
    2,265.78x = 3,127.14 × 1,334.28
  4. Step 4: Simplify right side
    2,265.78x = 4,172,480.36
  5. Step 5: Solve for x
    x = 4,172,480.36/2,265.78
  6. Step 6: Final answer
    x = 1,841.52

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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.