Home / 3,271.27-4,909.68-1,423.87

Finding the Fourth Proportional to 3,271.27, 4,909.68 and 1,423.87

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Solution

The fourth proportional to 3,271.27, 4,909.68 and 1,423.87 is: 2,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.27 : 4,909.68 = 1,423.87 : x
  2. Step 2: Convert to fraction form
    3,271.27/4,909.68 = 1,423.87/x
  3. Step 3: Cross multiply
    3,271.27x = 4,909.68 × 1,423.87
  4. Step 4: Simplify right side
    3,271.27x = 6,990,746.06
  5. Step 5: Solve for x
    x = 6,990,746.06/3,271.27
  6. Step 6: Final answer
    x = 2,137.01

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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.