Home / 2,772.25-4,158.37-1,617.19

Finding the Fourth Proportional to 2,772.25, 4,158.37 and 1,617.19

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Solution

The fourth proportional to 2,772.25, 4,158.37 and 1,617.19 is: 2,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.25 : 4,158.37 = 1,617.19 : x
  2. Step 2: Convert to fraction form
    2,772.25/4,158.37 = 1,617.19/x
  3. Step 3: Cross multiply
    2,772.25x = 4,158.37 × 1,617.19
  4. Step 4: Simplify right side
    2,772.25x = 6,724,866.01
  5. Step 5: Solve for x
    x = 6,724,866.01/2,772.25
  6. Step 6: Final answer
    x = 2,425.78

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1.5x scale

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.