Home / 2,021.52-3,032.04-1,189.08

Finding the Fourth Proportional to 2,021.52, 3,032.04 and 1,189.08

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Solution

The fourth proportional to 2,021.52, 3,032.04 and 1,189.08 is: 1,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.52 : 3,032.04 = 1,189.08 : x
  2. Step 2: Convert to fraction form
    2,021.52/3,032.04 = 1,189.08/x
  3. Step 3: Cross multiply
    2,021.52x = 3,032.04 × 1,189.08
  4. Step 4: Simplify right side
    2,021.52x = 3,605,338.12
  5. Step 5: Solve for x
    x = 3,605,338.12/2,021.52
  6. Step 6: Final answer
    x = 1,783.48

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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.