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Finding the Fourth Proportional to 3,993.48, 5,988.76 and 1,527.08

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Solution

The fourth proportional to 3,993.48, 5,988.76 and 1,527.08 is: 2,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.48 : 5,988.76 = 1,527.08 : x
  2. Step 2: Convert to fraction form
    3,993.48/5,988.76 = 1,527.08/x
  3. Step 3: Cross multiply
    3,993.48x = 5,988.76 × 1,527.08
  4. Step 4: Simplify right side
    3,993.48x = 9,145,315.62
  5. Step 5: Solve for x
    x = 9,145,315.62/3,993.48
  6. Step 6: Final answer
    x = 2,290.06

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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.