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Finding the Fourth Proportional to 2,064.32, 3,096.48 and 525.32

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Solution

The fourth proportional to 2,064.32, 3,096.48 and 525.32 is: 787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.32 : 3,096.48 = 525.32 : x
  2. Step 2: Convert to fraction form
    2,064.32/3,096.48 = 525.32/x
  3. Step 3: Cross multiply
    2,064.32x = 3,096.48 × 525.32
  4. Step 4: Simplify right side
    2,064.32x = 1,626,627.39
  5. Step 5: Solve for x
    x = 1,626,627.39/2,064.32
  6. Step 6: Final answer
    x = 787.97

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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.