Home / 3,031.42-4,546.30-2,151.31

Finding the Fourth Proportional to 3,031.42, 4,546.30 and 2,151.31

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Solution

The fourth proportional to 3,031.42, 4,546.30 and 2,151.31 is: 3,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.42 : 4,546.30 = 2,151.31 : x
  2. Step 2: Convert to fraction form
    3,031.42/4,546.30 = 2,151.31/x
  3. Step 3: Cross multiply
    3,031.42x = 4,546.30 × 2,151.31
  4. Step 4: Simplify right side
    3,031.42x = 9,780,495.27
  5. Step 5: Solve for x
    x = 9,780,495.27/3,031.42
  6. Step 6: Final answer
    x = 3,226.37

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1.5x scale

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.