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Finding the Fourth Proportional to 2,250.76, 3,106.02 and 1,256.03

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Solution

The fourth proportional to 2,250.76, 3,106.02 and 1,256.03 is: 1,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.76 : 3,106.02 = 1,256.03 : x
  2. Step 2: Convert to fraction form
    2,250.76/3,106.02 = 1,256.03/x
  3. Step 3: Cross multiply
    2,250.76x = 3,106.02 × 1,256.03
  4. Step 4: Simplify right side
    2,250.76x = 3,901,232.49
  5. Step 5: Solve for x
    x = 3,901,232.49/2,250.76
  6. Step 6: Final answer
    x = 1,733.30

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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.