Home / 3,268.70-4,510.79-1,776.60

Finding the Fourth Proportional to 3,268.70, 4,510.79 and 1,776.60

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Solution

The fourth proportional to 3,268.70, 4,510.79 and 1,776.60 is: 2,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.70 : 4,510.79 = 1,776.60 : x
  2. Step 2: Convert to fraction form
    3,268.70/4,510.79 = 1,776.60/x
  3. Step 3: Cross multiply
    3,268.70x = 4,510.79 × 1,776.60
  4. Step 4: Simplify right side
    3,268.70x = 8,013,877.29
  5. Step 5: Solve for x
    x = 8,013,877.29/3,268.70
  6. Step 6: Final answer
    x = 2,451.70

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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.