Home / 3,992.12-5,987.98-1,526.75

Finding the Fourth Proportional to 3,992.12, 5,987.98 and 1,526.75

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Solution

The fourth proportional to 3,992.12, 5,987.98 and 1,526.75 is: 2,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.12 : 5,987.98 = 1,526.75 : x
  2. Step 2: Convert to fraction form
    3,992.12/5,987.98 = 1,526.75/x
  3. Step 3: Cross multiply
    3,992.12x = 5,987.98 × 1,526.75
  4. Step 4: Simplify right side
    3,992.12x = 9,142,134.30
  5. Step 5: Solve for x
    x = 9,142,134.30/3,992.12
  6. Step 6: Final answer
    x = 2,290.05

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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.