Home / 2,292.08-3,438.08-1,105.84

Finding the Fourth Proportional to 2,292.08, 3,438.08 and 1,105.84

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Solution

The fourth proportional to 2,292.08, 3,438.08 and 1,105.84 is: 1,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.08 : 3,438.08 = 1,105.84 : x
  2. Step 2: Convert to fraction form
    2,292.08/3,438.08 = 1,105.84/x
  3. Step 3: Cross multiply
    2,292.08x = 3,438.08 × 1,105.84
  4. Step 4: Simplify right side
    2,292.08x = 3,801,966.39
  5. Step 5: Solve for x
    x = 3,801,966.39/2,292.08
  6. Step 6: Final answer
    x = 1,658.74

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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.