Home / 1,889.52-2,606.58-1,226.74

Finding the Fourth Proportional to 1,889.52, 2,606.58 and 1,226.74

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Solution

The fourth proportional to 1,889.52, 2,606.58 and 1,226.74 is: 1,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.52 : 2,606.58 = 1,226.74 : x
  2. Step 2: Convert to fraction form
    1,889.52/2,606.58 = 1,226.74/x
  3. Step 3: Cross multiply
    1,889.52x = 2,606.58 × 1,226.74
  4. Step 4: Simplify right side
    1,889.52x = 3,197,595.95
  5. Step 5: Solve for x
    x = 3,197,595.95/1,889.52
  6. Step 6: Final answer
    x = 1,692.28

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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.