Home / 3,271.13-4,907.04-1,079.87

Finding the Fourth Proportional to 3,271.13, 4,907.04 and 1,079.87

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Solution

The fourth proportional to 3,271.13, 4,907.04 and 1,079.87 is: 1,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.13 : 4,907.04 = 1,079.87 : x
  2. Step 2: Convert to fraction form
    3,271.13/4,907.04 = 1,079.87/x
  3. Step 3: Cross multiply
    3,271.13x = 4,907.04 × 1,079.87
  4. Step 4: Simplify right side
    3,271.13x = 5,298,965.28
  5. Step 5: Solve for x
    x = 5,298,965.28/3,271.13
  6. Step 6: Final answer
    x = 1,619.92

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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.