Home / 1,480.41-2,211.30-1,086.93

Finding the Fourth Proportional to 1,480.41, 2,211.30 and 1,086.93

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Solution

The fourth proportional to 1,480.41, 2,211.30 and 1,086.93 is: 1,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.41 : 2,211.30 = 1,086.93 : x
  2. Step 2: Convert to fraction form
    1,480.41/2,211.30 = 1,086.93/x
  3. Step 3: Cross multiply
    1,480.41x = 2,211.30 × 1,086.93
  4. Step 4: Simplify right side
    1,480.41x = 2,403,522.87
  5. Step 5: Solve for x
    x = 2,403,522.87/1,480.41
  6. Step 6: Final answer
    x = 1,623.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.