Home / 1,823.49-2,517.48-1,234.89

Finding the Fourth Proportional to 1,823.49, 2,517.48 and 1,234.89

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Solution

The fourth proportional to 1,823.49, 2,517.48 and 1,234.89 is: 1,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.49 : 2,517.48 = 1,234.89 : x
  2. Step 2: Convert to fraction form
    1,823.49/2,517.48 = 1,234.89/x
  3. Step 3: Cross multiply
    1,823.49x = 2,517.48 × 1,234.89
  4. Step 4: Simplify right side
    1,823.49x = 3,108,810.88
  5. Step 5: Solve for x
    x = 3,108,810.88/1,823.49
  6. Step 6: Final answer
    x = 1,704.87

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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.