Home / 2,926.50-4,031.92-2,219.37

Finding the Fourth Proportional to 2,926.50, 4,031.92 and 2,219.37

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Solution

The fourth proportional to 2,926.50, 4,031.92 and 2,219.37 is: 3,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.50 : 4,031.92 = 2,219.37 : x
  2. Step 2: Convert to fraction form
    2,926.50/4,031.92 = 2,219.37/x
  3. Step 3: Cross multiply
    2,926.50x = 4,031.92 × 2,219.37
  4. Step 4: Simplify right side
    2,926.50x = 8,948,322.29
  5. Step 5: Solve for x
    x = 8,948,322.29/2,926.50
  6. Step 6: Final answer
    x = 3,057.69

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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.