Home / 3,719.81-5,576.16-1,253.36

Finding the Fourth Proportional to 3,719.81, 5,576.16 and 1,253.36

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Solution

The fourth proportional to 3,719.81, 5,576.16 and 1,253.36 is: 1,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.81 : 5,576.16 = 1,253.36 : x
  2. Step 2: Convert to fraction form
    3,719.81/5,576.16 = 1,253.36/x
  3. Step 3: Cross multiply
    3,719.81x = 5,576.16 × 1,253.36
  4. Step 4: Simplify right side
    3,719.81x = 6,988,908.02
  5. Step 5: Solve for x
    x = 6,988,908.02/3,719.81
  6. Step 6: Final answer
    x = 1,878.84

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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.