Home / 3,718.85-5,576.74-1,253.87

Finding the Fourth Proportional to 3,718.85, 5,576.74 and 1,253.87

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Solution

The fourth proportional to 3,718.85, 5,576.74 and 1,253.87 is: 1,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.85 : 5,576.74 = 1,253.87 : x
  2. Step 2: Convert to fraction form
    3,718.85/5,576.74 = 1,253.87/x
  3. Step 3: Cross multiply
    3,718.85x = 5,576.74 × 1,253.87
  4. Step 4: Simplify right side
    3,718.85x = 6,992,506.98
  5. Step 5: Solve for x
    x = 6,992,506.98/3,718.85
  6. Step 6: Final answer
    x = 1,880.29

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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.