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Finding the Fourth Proportional to 1,824.12, 2,735.48 and 591.20

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Solution

The fourth proportional to 1,824.12, 2,735.48 and 591.20 is: 886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.12 : 2,735.48 = 591.20 : x
  2. Step 2: Convert to fraction form
    1,824.12/2,735.48 = 591.20/x
  3. Step 3: Cross multiply
    1,824.12x = 2,735.48 × 591.20
  4. Step 4: Simplify right side
    1,824.12x = 1,617,215.78
  5. Step 5: Solve for x
    x = 1,617,215.78/1,824.12
  6. Step 6: Final answer
    x = 886.57

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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.