Home / 3,515.43-5,271.51-1,049.61

Finding the Fourth Proportional to 3,515.43, 5,271.51 and 1,049.61

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Solution

The fourth proportional to 3,515.43, 5,271.51 and 1,049.61 is: 1,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.43 : 5,271.51 = 1,049.61 : x
  2. Step 2: Convert to fraction form
    3,515.43/5,271.51 = 1,049.61/x
  3. Step 3: Cross multiply
    3,515.43x = 5,271.51 × 1,049.61
  4. Step 4: Simplify right side
    3,515.43x = 5,533,029.61
  5. Step 5: Solve for x
    x = 5,533,029.61/3,515.43
  6. Step 6: Final answer
    x = 1,573.93

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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.