Home / 3,455.65-5,176.97-2,045.87

Finding the Fourth Proportional to 3,455.65, 5,176.97 and 2,045.87

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Solution

The fourth proportional to 3,455.65, 5,176.97 and 2,045.87 is: 3,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.65 : 5,176.97 = 2,045.87 : x
  2. Step 2: Convert to fraction form
    3,455.65/5,176.97 = 2,045.87/x
  3. Step 3: Cross multiply
    3,455.65x = 5,176.97 × 2,045.87
  4. Step 4: Simplify right side
    3,455.65x = 10,591,407.61
  5. Step 5: Solve for x
    x = 10,591,407.61/3,455.65
  6. Step 6: Final answer
    x = 3,064.95

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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.