Home / 1,451.14-2,176.69-355.49

Finding the Fourth Proportional to 1,451.14, 2,176.69 and 355.49

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Solution

The fourth proportional to 1,451.14, 2,176.69 and 355.49 is: 533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.14 : 2,176.69 = 355.49 : x
  2. Step 2: Convert to fraction form
    1,451.14/2,176.69 = 355.49/x
  3. Step 3: Cross multiply
    1,451.14x = 2,176.69 × 355.49
  4. Step 4: Simplify right side
    1,451.14x = 773,791.53
  5. Step 5: Solve for x
    x = 773,791.53/1,451.14
  6. Step 6: Final answer
    x = 533.23

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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.