Home / 2,692.19-3,711.60-2,318.37

Finding the Fourth Proportional to 2,692.19, 3,711.60 and 2,318.37

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Solution

The fourth proportional to 2,692.19, 3,711.60 and 2,318.37 is: 3,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.19 : 3,711.60 = 2,318.37 : x
  2. Step 2: Convert to fraction form
    2,692.19/3,711.60 = 2,318.37/x
  3. Step 3: Cross multiply
    2,692.19x = 3,711.60 × 2,318.37
  4. Step 4: Simplify right side
    2,692.19x = 8,604,862.09
  5. Step 5: Solve for x
    x = 8,604,862.09/2,692.19
  6. Step 6: Final answer
    x = 3,196.24

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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.