Home / 1,825.12-2,736.87-526.29

Finding the Fourth Proportional to 1,825.12, 2,736.87 and 526.29

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Solution

The fourth proportional to 1,825.12, 2,736.87 and 526.29 is: 789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.12 : 2,736.87 = 526.29 : x
  2. Step 2: Convert to fraction form
    1,825.12/2,736.87 = 526.29/x
  3. Step 3: Cross multiply
    1,825.12x = 2,736.87 × 526.29
  4. Step 4: Simplify right side
    1,825.12x = 1,440,387.31
  5. Step 5: Solve for x
    x = 1,440,387.31/1,825.12
  6. Step 6: Final answer
    x = 789.20

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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.