Home / 3,342.09-5,011.30-2,289.12

Finding the Fourth Proportional to 3,342.09, 5,011.30 and 2,289.12

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Solution

The fourth proportional to 3,342.09, 5,011.30 and 2,289.12 is: 3,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.09 : 5,011.30 = 2,289.12 : x
  2. Step 2: Convert to fraction form
    3,342.09/5,011.30 = 2,289.12/x
  3. Step 3: Cross multiply
    3,342.09x = 5,011.30 × 2,289.12
  4. Step 4: Simplify right side
    3,342.09x = 11,471,465.22
  5. Step 5: Solve for x
    x = 11,471,465.22/3,342.09
  6. Step 6: Final answer
    x = 3,432.42

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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.