Home / 2,837.60-3,912.37-1,827.60

Finding the Fourth Proportional to 2,837.60, 3,912.37 and 1,827.60

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Solution

The fourth proportional to 2,837.60, 3,912.37 and 1,827.60 is: 2,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.60 : 3,912.37 = 1,827.60 : x
  2. Step 2: Convert to fraction form
    2,837.60/3,912.37 = 1,827.60/x
  3. Step 3: Cross multiply
    2,837.60x = 3,912.37 × 1,827.60
  4. Step 4: Simplify right side
    2,837.60x = 7,150,218.71
  5. Step 5: Solve for x
    x = 7,150,218.71/2,837.60
  6. Step 6: Final answer
    x = 2,519.81

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1.5x scale

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.