Home / 1,426.19-1,967.06-1,227.35

Finding the Fourth Proportional to 1,426.19, 1,967.06 and 1,227.35

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Solution

The fourth proportional to 1,426.19, 1,967.06 and 1,227.35 is: 1,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.19 : 1,967.06 = 1,227.35 : x
  2. Step 2: Convert to fraction form
    1,426.19/1,967.06 = 1,227.35/x
  3. Step 3: Cross multiply
    1,426.19x = 1,967.06 × 1,227.35
  4. Step 4: Simplify right side
    1,426.19x = 2,414,268.48
  5. Step 5: Solve for x
    x = 2,414,268.48/1,426.19
  6. Step 6: Final answer
    x = 1,692.81

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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.