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Finding the Fourth Proportional to 3,527.42, 5,291.16 and 1,446.88

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Solution

The fourth proportional to 3,527.42, 5,291.16 and 1,446.88 is: 2,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.42 : 5,291.16 = 1,446.88 : x
  2. Step 2: Convert to fraction form
    3,527.42/5,291.16 = 1,446.88/x
  3. Step 3: Cross multiply
    3,527.42x = 5,291.16 × 1,446.88
  4. Step 4: Simplify right side
    3,527.42x = 7,655,673.58
  5. Step 5: Solve for x
    x = 7,655,673.58/3,527.42
  6. Step 6: Final answer
    x = 2,170.33

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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.