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Finding the Fourth Proportional to 3,685.73, 5,528.73 and 1,088.66

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Solution

The fourth proportional to 3,685.73, 5,528.73 and 1,088.66 is: 1,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.73 : 5,528.73 = 1,088.66 : x
  2. Step 2: Convert to fraction form
    3,685.73/5,528.73 = 1,088.66/x
  3. Step 3: Cross multiply
    3,685.73x = 5,528.73 × 1,088.66
  4. Step 4: Simplify right side
    3,685.73x = 6,018,907.20
  5. Step 5: Solve for x
    x = 6,018,907.20/3,685.73
  6. Step 6: Final answer
    x = 1,633.03

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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.