Home / 2,256.59-3,114.11-1,261.91

Finding the Fourth Proportional to 2,256.59, 3,114.11 and 1,261.91

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Solution

The fourth proportional to 2,256.59, 3,114.11 and 1,261.91 is: 1,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.59 : 3,114.11 = 1,261.91 : x
  2. Step 2: Convert to fraction form
    2,256.59/3,114.11 = 1,261.91/x
  3. Step 3: Cross multiply
    2,256.59x = 3,114.11 × 1,261.91
  4. Step 4: Simplify right side
    2,256.59x = 3,929,726.55
  5. Step 5: Solve for x
    x = 3,929,726.55/2,256.59
  6. Step 6: Final answer
    x = 1,741.44

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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.