Home / 2,051.20-3,072.24-1,531.84

Finding the Fourth Proportional to 2,051.20, 3,072.24 and 1,531.84

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Solution

The fourth proportional to 2,051.20, 3,072.24 and 1,531.84 is: 2,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.20 : 3,072.24 = 1,531.84 : x
  2. Step 2: Convert to fraction form
    2,051.20/3,072.24 = 1,531.84/x
  3. Step 3: Cross multiply
    2,051.20x = 3,072.24 × 1,531.84
  4. Step 4: Simplify right side
    2,051.20x = 4,706,180.12
  5. Step 5: Solve for x
    x = 4,706,180.12/2,051.20
  6. Step 6: Final answer
    x = 2,294.35

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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.