Home / 1,872.98-2,584.53-1,086.95

Finding the Fourth Proportional to 1,872.98, 2,584.53 and 1,086.95

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Solution

The fourth proportional to 1,872.98, 2,584.53 and 1,086.95 is: 1,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.98 : 2,584.53 = 1,086.95 : x
  2. Step 2: Convert to fraction form
    1,872.98/2,584.53 = 1,086.95/x
  3. Step 3: Cross multiply
    1,872.98x = 2,584.53 × 1,086.95
  4. Step 4: Simplify right side
    1,872.98x = 2,809,241.96
  5. Step 5: Solve for x
    x = 2,809,241.96/1,872.98
  6. Step 6: Final answer
    x = 1,499.88

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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.