Home / 1,951.19-2,692.61-1,066.97

Finding the Fourth Proportional to 1,951.19, 2,692.61 and 1,066.97

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Solution

The fourth proportional to 1,951.19, 2,692.61 and 1,066.97 is: 1,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.19 : 2,692.61 = 1,066.97 : x
  2. Step 2: Convert to fraction form
    1,951.19/2,692.61 = 1,066.97/x
  3. Step 3: Cross multiply
    1,951.19x = 2,692.61 × 1,066.97
  4. Step 4: Simplify right side
    1,951.19x = 2,872,939.49
  5. Step 5: Solve for x
    x = 2,872,939.49/1,951.19
  6. Step 6: Final answer
    x = 1,472.40

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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.