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Finding the Fourth Proportional to 2,360.50, 3,255.88 and 1,415.64

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Solution

The fourth proportional to 2,360.50, 3,255.88 and 1,415.64 is: 1,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.50 : 3,255.88 = 1,415.64 : x
  2. Step 2: Convert to fraction form
    2,360.50/3,255.88 = 1,415.64/x
  3. Step 3: Cross multiply
    2,360.50x = 3,255.88 × 1,415.64
  4. Step 4: Simplify right side
    2,360.50x = 4,609,153.96
  5. Step 5: Solve for x
    x = 4,609,153.96/2,360.50
  6. Step 6: Final answer
    x = 1,952.62

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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.