Home / 3,271.39-4,913.38-2,803.92

Finding the Fourth Proportional to 3,271.39, 4,913.38 and 2,803.92

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Solution

The fourth proportional to 3,271.39, 4,913.38 and 2,803.92 is: 4,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.39 : 4,913.38 = 2,803.92 : x
  2. Step 2: Convert to fraction form
    3,271.39/4,913.38 = 2,803.92/x
  3. Step 3: Cross multiply
    3,271.39x = 4,913.38 × 2,803.92
  4. Step 4: Simplify right side
    3,271.39x = 13,776,737.17
  5. Step 5: Solve for x
    x = 13,776,737.17/3,271.39
  6. Step 6: Final answer
    x = 4,211.28

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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.