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Finding the Fourth Proportional to 3,598.89, 4,966.39 and 2,005.54

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Solution

The fourth proportional to 3,598.89, 4,966.39 and 2,005.54 is: 2,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.89 : 4,966.39 = 2,005.54 : x
  2. Step 2: Convert to fraction form
    3,598.89/4,966.39 = 2,005.54/x
  3. Step 3: Cross multiply
    3,598.89x = 4,966.39 × 2,005.54
  4. Step 4: Simplify right side
    3,598.89x = 9,960,293.80
  5. Step 5: Solve for x
    x = 9,960,293.80/3,598.89
  6. Step 6: Final answer
    x = 2,767.60

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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.