Home / 1,674.15-2,506.29-1,087.79

Finding the Fourth Proportional to 1,674.15, 2,506.29 and 1,087.79

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Solution

The fourth proportional to 1,674.15, 2,506.29 and 1,087.79 is: 1,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.15 : 2,506.29 = 1,087.79 : x
  2. Step 2: Convert to fraction form
    1,674.15/2,506.29 = 1,087.79/x
  3. Step 3: Cross multiply
    1,674.15x = 2,506.29 × 1,087.79
  4. Step 4: Simplify right side
    1,674.15x = 2,726,304.67
  5. Step 5: Solve for x
    x = 2,726,304.67/1,674.15
  6. Step 6: Final answer
    x = 1,628.47

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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.