Home / 3,812.08-5,718.22-1,038.77

Finding the Fourth Proportional to 3,812.08, 5,718.22 and 1,038.77

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Solution

The fourth proportional to 3,812.08, 5,718.22 and 1,038.77 is: 1,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.08 : 5,718.22 = 1,038.77 : x
  2. Step 2: Convert to fraction form
    3,812.08/5,718.22 = 1,038.77/x
  3. Step 3: Cross multiply
    3,812.08x = 5,718.22 × 1,038.77
  4. Step 4: Simplify right side
    3,812.08x = 5,939,915.39
  5. Step 5: Solve for x
    x = 5,939,915.39/3,812.08
  6. Step 6: Final answer
    x = 1,558.18

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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.