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Finding the Fourth Proportional to 3,576.78, 5,363.34 and 1,627.32

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Solution

The fourth proportional to 3,576.78, 5,363.34 and 1,627.32 is: 2,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.78 : 5,363.34 = 1,627.32 : x
  2. Step 2: Convert to fraction form
    3,576.78/5,363.34 = 1,627.32/x
  3. Step 3: Cross multiply
    3,576.78x = 5,363.34 × 1,627.32
  4. Step 4: Simplify right side
    3,576.78x = 8,727,870.45
  5. Step 5: Solve for x
    x = 8,727,870.45/3,576.78
  6. Step 6: Final answer
    x = 2,440.15

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1.5x scale

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.