Home / 1,149.14-1,723.69-283.45

Finding the Fourth Proportional to 1,149.14, 1,723.69 and 283.45

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Solution

The fourth proportional to 1,149.14, 1,723.69 and 283.45 is: 425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.14 : 1,723.69 = 283.45 : x
  2. Step 2: Convert to fraction form
    1,149.14/1,723.69 = 283.45/x
  3. Step 3: Cross multiply
    1,149.14x = 1,723.69 × 283.45
  4. Step 4: Simplify right side
    1,149.14x = 488,579.93
  5. Step 5: Solve for x
    x = 488,579.93/1,149.14
  6. Step 6: Final answer
    x = 425.17

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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.