Home / 2,692.20-3,711.42-1,851.56

Finding the Fourth Proportional to 2,692.20, 3,711.42 and 1,851.56

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Solution

The fourth proportional to 2,692.20, 3,711.42 and 1,851.56 is: 2,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.20 : 3,711.42 = 1,851.56 : x
  2. Step 2: Convert to fraction form
    2,692.20/3,711.42 = 1,851.56/x
  3. Step 3: Cross multiply
    2,692.20x = 3,711.42 × 1,851.56
  4. Step 4: Simplify right side
    2,692.20x = 6,871,898.26
  5. Step 5: Solve for x
    x = 6,871,898.26/2,692.20
  6. Step 6: Final answer
    x = 2,552.52

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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.