Home / 3,812.08-5,717.53-1,038.98

Finding the Fourth Proportional to 3,812.08, 5,717.53 and 1,038.98

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Solution

The fourth proportional to 3,812.08, 5,717.53 and 1,038.98 is: 1,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.08 : 5,717.53 = 1,038.98 : x
  2. Step 2: Convert to fraction form
    3,812.08/5,717.53 = 1,038.98/x
  3. Step 3: Cross multiply
    3,812.08x = 5,717.53 × 1,038.98
  4. Step 4: Simplify right side
    3,812.08x = 5,940,378.36
  5. Step 5: Solve for x
    x = 5,940,378.36/3,812.08
  6. Step 6: Final answer
    x = 1,558.30

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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.