Home / 1,674.02-2,511.26-699.89

Finding the Fourth Proportional to 1,674.02, 2,511.26 and 699.89

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Solution

The fourth proportional to 1,674.02, 2,511.26 and 699.89 is: 1,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.02 : 2,511.26 = 699.89 : x
  2. Step 2: Convert to fraction form
    1,674.02/2,511.26 = 699.89/x
  3. Step 3: Cross multiply
    1,674.02x = 2,511.26 × 699.89
  4. Step 4: Simplify right side
    1,674.02x = 1,757,605.76
  5. Step 5: Solve for x
    x = 1,757,605.76/1,674.02
  6. Step 6: Final answer
    x = 1,049.93

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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.