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Finding the Fourth Proportional to 1,950.90, 2,692.21 and 1,066.71

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Solution

The fourth proportional to 1,950.90, 2,692.21 and 1,066.71 is: 1,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.90 : 2,692.21 = 1,066.71 : x
  2. Step 2: Convert to fraction form
    1,950.90/2,692.21 = 1,066.71/x
  3. Step 3: Cross multiply
    1,950.90x = 2,692.21 × 1,066.71
  4. Step 4: Simplify right side
    1,950.90x = 2,871,807.33
  5. Step 5: Solve for x
    x = 2,871,807.33/1,950.90
  6. Step 6: Final answer
    x = 1,472.04

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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.