Home / 3,274.50-4,508.54-2,890.84

Finding the Fourth Proportional to 3,274.50, 4,508.54 and 2,890.84

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Solution

The fourth proportional to 3,274.50, 4,508.54 and 2,890.84 is: 3,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.50 : 4,508.54 = 2,890.84 : x
  2. Step 2: Convert to fraction form
    3,274.50/4,508.54 = 2,890.84/x
  3. Step 3: Cross multiply
    3,274.50x = 4,508.54 × 2,890.84
  4. Step 4: Simplify right side
    3,274.50x = 13,033,467.77
  5. Step 5: Solve for x
    x = 13,033,467.77/3,274.50
  6. Step 6: Final answer
    x = 3,980.29

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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.