Home / 2,219.34-3,331.26-1,296.66

Finding the Fourth Proportional to 2,219.34, 3,331.26 and 1,296.66

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Solution

The fourth proportional to 2,219.34, 3,331.26 and 1,296.66 is: 1,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.34 : 3,331.26 = 1,296.66 : x
  2. Step 2: Convert to fraction form
    2,219.34/3,331.26 = 1,296.66/x
  3. Step 3: Cross multiply
    2,219.34x = 3,331.26 × 1,296.66
  4. Step 4: Simplify right side
    2,219.34x = 4,319,511.59
  5. Step 5: Solve for x
    x = 4,319,511.59/2,219.34
  6. Step 6: Final answer
    x = 1,946.30

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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.