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Finding the Fourth Proportional to 1,432.36, 2,146.02 and 700.96

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Solution

The fourth proportional to 1,432.36, 2,146.02 and 700.96 is: 1,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.36 : 2,146.02 = 700.96 : x
  2. Step 2: Convert to fraction form
    1,432.36/2,146.02 = 700.96/x
  3. Step 3: Cross multiply
    1,432.36x = 2,146.02 × 700.96
  4. Step 4: Simplify right side
    1,432.36x = 1,504,274.18
  5. Step 5: Solve for x
    x = 1,504,274.18/1,432.36
  6. Step 6: Final answer
    x = 1,050.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.