Home / 2,064.62-2,849.16-1,120.40

Finding the Fourth Proportional to 2,064.62, 2,849.16 and 1,120.40

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Solution

The fourth proportional to 2,064.62, 2,849.16 and 1,120.40 is: 1,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.62 : 2,849.16 = 1,120.40 : x
  2. Step 2: Convert to fraction form
    2,064.62/2,849.16 = 1,120.40/x
  3. Step 3: Cross multiply
    2,064.62x = 2,849.16 × 1,120.40
  4. Step 4: Simplify right side
    2,064.62x = 3,192,198.86
  5. Step 5: Solve for x
    x = 3,192,198.86/2,064.62
  6. Step 6: Final answer
    x = 1,546.14

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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.