Home / 2,485.64-3,727.74-1,252.19

Finding the Fourth Proportional to 2,485.64, 3,727.74 and 1,252.19

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Solution

The fourth proportional to 2,485.64, 3,727.74 and 1,252.19 is: 1,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.64 : 3,727.74 = 1,252.19 : x
  2. Step 2: Convert to fraction form
    2,485.64/3,727.74 = 1,252.19/x
  3. Step 3: Cross multiply
    2,485.64x = 3,727.74 × 1,252.19
  4. Step 4: Simplify right side
    2,485.64x = 4,667,838.75
  5. Step 5: Solve for x
    x = 4,667,838.75/2,485.64
  6. Step 6: Final answer
    x = 1,877.92

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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.