Home / 2,089.32-2,882.92-1,205.24

Finding the Fourth Proportional to 2,089.32, 2,882.92 and 1,205.24

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Solution

The fourth proportional to 2,089.32, 2,882.92 and 1,205.24 is: 1,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.32 : 2,882.92 = 1,205.24 : x
  2. Step 2: Convert to fraction form
    2,089.32/2,882.92 = 1,205.24/x
  3. Step 3: Cross multiply
    2,089.32x = 2,882.92 × 1,205.24
  4. Step 4: Simplify right side
    2,089.32x = 3,474,610.50
  5. Step 5: Solve for x
    x = 3,474,610.50/2,089.32
  6. Step 6: Final answer
    x = 1,663.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.