Home / 2,506.50-3,760.19-1,119.81

Finding the Fourth Proportional to 2,506.50, 3,760.19 and 1,119.81

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Solution

The fourth proportional to 2,506.50, 3,760.19 and 1,119.81 is: 1,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.50 : 3,760.19 = 1,119.81 : x
  2. Step 2: Convert to fraction form
    2,506.50/3,760.19 = 1,119.81/x
  3. Step 3: Cross multiply
    2,506.50x = 3,760.19 × 1,119.81
  4. Step 4: Simplify right side
    2,506.50x = 4,210,692.76
  5. Step 5: Solve for x
    x = 4,210,692.76/2,506.50
  6. Step 6: Final answer
    x = 1,679.91

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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.