Home / 3,992.05-5,987.30-1,526.28

Finding the Fourth Proportional to 3,992.05, 5,987.30 and 1,526.28

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Solution

The fourth proportional to 3,992.05, 5,987.30 and 1,526.28 is: 2,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.05 : 5,987.30 = 1,526.28 : x
  2. Step 2: Convert to fraction form
    3,992.05/5,987.30 = 1,526.28/x
  3. Step 3: Cross multiply
    3,992.05x = 5,987.30 × 1,526.28
  4. Step 4: Simplify right side
    3,992.05x = 9,138,296.24
  5. Step 5: Solve for x
    x = 9,138,296.24/3,992.05
  6. Step 6: Final answer
    x = 2,289.12

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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.