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Finding the Fourth Proportional to 2,435.64, 3,653.46 and 1,951.74

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Solution

The fourth proportional to 2,435.64, 3,653.46 and 1,951.74 is: 2,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.64 : 3,653.46 = 1,951.74 : x
  2. Step 2: Convert to fraction form
    2,435.64/3,653.46 = 1,951.74/x
  3. Step 3: Cross multiply
    2,435.64x = 3,653.46 × 1,951.74
  4. Step 4: Simplify right side
    2,435.64x = 7,130,604.02
  5. Step 5: Solve for x
    x = 7,130,604.02/2,435.64
  6. Step 6: Final answer
    x = 2,927.61

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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.