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Finding the Fourth Proportional to 3,659.44, 5,486.31 and 1,903.66

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Solution

The fourth proportional to 3,659.44, 5,486.31 and 1,903.66 is: 2,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.44 : 5,486.31 = 1,903.66 : x
  2. Step 2: Convert to fraction form
    3,659.44/5,486.31 = 1,903.66/x
  3. Step 3: Cross multiply
    3,659.44x = 5,486.31 × 1,903.66
  4. Step 4: Simplify right side
    3,659.44x = 10,444,068.89
  5. Step 5: Solve for x
    x = 10,444,068.89/3,659.44
  6. Step 6: Final answer
    x = 2,854.01

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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.