Home / 3,991.08-5,987.04-1,527.98

Finding the Fourth Proportional to 3,991.08, 5,987.04 and 1,527.98

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Solution

The fourth proportional to 3,991.08, 5,987.04 and 1,527.98 is: 2,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.08 : 5,987.04 = 1,527.98 : x
  2. Step 2: Convert to fraction form
    3,991.08/5,987.04 = 1,527.98/x
  3. Step 3: Cross multiply
    3,991.08x = 5,987.04 × 1,527.98
  4. Step 4: Simplify right side
    3,991.08x = 9,148,047.44
  5. Step 5: Solve for x
    x = 9,148,047.44/3,991.08
  6. Step 6: Final answer
    x = 2,292.12

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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.