Home / 3,216.48-4,434.12-2,271.48

Finding the Fourth Proportional to 3,216.48, 4,434.12 and 2,271.48

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Solution

The fourth proportional to 3,216.48, 4,434.12 and 2,271.48 is: 3,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.48 : 4,434.12 = 2,271.48 : x
  2. Step 2: Convert to fraction form
    3,216.48/4,434.12 = 2,271.48/x
  3. Step 3: Cross multiply
    3,216.48x = 4,434.12 × 2,271.48
  4. Step 4: Simplify right side
    3,216.48x = 10,072,014.90
  5. Step 5: Solve for x
    x = 10,072,014.90/3,216.48
  6. Step 6: Final answer
    x = 3,131.38

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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.