Home / 3,271.11-4,511.68-2,313.63

Finding the Fourth Proportional to 3,271.11, 4,511.68 and 2,313.63

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Solution

The fourth proportional to 3,271.11, 4,511.68 and 2,313.63 is: 3,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.11 : 4,511.68 = 2,313.63 : x
  2. Step 2: Convert to fraction form
    3,271.11/4,511.68 = 2,313.63/x
  3. Step 3: Cross multiply
    3,271.11x = 4,511.68 × 2,313.63
  4. Step 4: Simplify right side
    3,271.11x = 10,438,358.20
  5. Step 5: Solve for x
    x = 10,438,358.20/3,271.11
  6. Step 6: Final answer
    x = 3,191.08

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1.5x scale

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.