Home / 1,454.09-2,180.94-414.18

Finding the Fourth Proportional to 1,454.09, 2,180.94 and 414.18

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Solution

The fourth proportional to 1,454.09, 2,180.94 and 414.18 is: 621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.09 : 2,180.94 = 414.18 : x
  2. Step 2: Convert to fraction form
    1,454.09/2,180.94 = 414.18/x
  3. Step 3: Cross multiply
    1,454.09x = 2,180.94 × 414.18
  4. Step 4: Simplify right side
    1,454.09x = 903,301.73
  5. Step 5: Solve for x
    x = 903,301.73/1,454.09
  6. Step 6: Final answer
    x = 621.21

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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.