Home / 1,674.50-2,311.61-1,177.56

Finding the Fourth Proportional to 1,674.50, 2,311.61 and 1,177.56

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Solution

The fourth proportional to 1,674.50, 2,311.61 and 1,177.56 is: 1,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.50 : 2,311.61 = 1,177.56 : x
  2. Step 2: Convert to fraction form
    1,674.50/2,311.61 = 1,177.56/x
  3. Step 3: Cross multiply
    1,674.50x = 2,311.61 × 1,177.56
  4. Step 4: Simplify right side
    1,674.50x = 2,722,053.58
  5. Step 5: Solve for x
    x = 2,722,053.58/1,674.50
  6. Step 6: Final answer
    x = 1,625.60

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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.