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Finding the Fourth Proportional to 3,599.64, 4,962.06 and 2,812.32

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Solution

The fourth proportional to 3,599.64, 4,962.06 and 2,812.32 is: 3,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.64 : 4,962.06 = 2,812.32 : x
  2. Step 2: Convert to fraction form
    3,599.64/4,962.06 = 2,812.32/x
  3. Step 3: Cross multiply
    3,599.64x = 4,962.06 × 2,812.32
  4. Step 4: Simplify right side
    3,599.64x = 13,954,900.58
  5. Step 5: Solve for x
    x = 13,954,900.58/3,599.64
  6. Step 6: Final answer
    x = 3,876.75

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1.5x scale

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.