Home / 1,825.12-2,515.75-1,234.63

Finding the Fourth Proportional to 1,825.12, 2,515.75 and 1,234.63

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Solution

The fourth proportional to 1,825.12, 2,515.75 and 1,234.63 is: 1,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.12 : 2,515.75 = 1,234.63 : x
  2. Step 2: Convert to fraction form
    1,825.12/2,515.75 = 1,234.63/x
  3. Step 3: Cross multiply
    1,825.12x = 2,515.75 × 1,234.63
  4. Step 4: Simplify right side
    1,825.12x = 3,106,020.42
  5. Step 5: Solve for x
    x = 3,106,020.42/1,825.12
  6. Step 6: Final answer
    x = 1,701.82

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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.