Home / 3,271.63-4,515.81-1,946.27

Finding the Fourth Proportional to 3,271.63, 4,515.81 and 1,946.27

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Solution

The fourth proportional to 3,271.63, 4,515.81 and 1,946.27 is: 2,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.63 : 4,515.81 = 1,946.27 : x
  2. Step 2: Convert to fraction form
    3,271.63/4,515.81 = 1,946.27/x
  3. Step 3: Cross multiply
    3,271.63x = 4,515.81 × 1,946.27
  4. Step 4: Simplify right side
    3,271.63x = 8,788,985.53
  5. Step 5: Solve for x
    x = 8,788,985.53/3,271.63
  6. Step 6: Final answer
    x = 2,686.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.