Home / 2,485.81-3,723.93-1,251.76

Finding the Fourth Proportional to 2,485.81, 3,723.93 and 1,251.76

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Solution

The fourth proportional to 2,485.81, 3,723.93 and 1,251.76 is: 1,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.81 : 3,723.93 = 1,251.76 : x
  2. Step 2: Convert to fraction form
    2,485.81/3,723.93 = 1,251.76/x
  3. Step 3: Cross multiply
    2,485.81x = 3,723.93 × 1,251.76
  4. Step 4: Simplify right side
    2,485.81x = 4,661,466.62
  5. Step 5: Solve for x
    x = 4,661,466.62/2,485.81
  6. Step 6: Final answer
    x = 1,875.23

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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.