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Finding the Fourth Proportional to 1,250.12, 1,863.92 and 1,146.03

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Solution

The fourth proportional to 1,250.12, 1,863.92 and 1,146.03 is: 1,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.12 : 1,863.92 = 1,146.03 : x
  2. Step 2: Convert to fraction form
    1,250.12/1,863.92 = 1,146.03/x
  3. Step 3: Cross multiply
    1,250.12x = 1,863.92 × 1,146.03
  4. Step 4: Simplify right side
    1,250.12x = 2,136,102.51
  5. Step 5: Solve for x
    x = 2,136,102.51/1,250.12
  6. Step 6: Final answer
    x = 1,708.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.