Home / 4,129.42-5,692.98-2,948.44

Finding the Fourth Proportional to 4,129.42, 5,692.98 and 2,948.44

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Solution

The fourth proportional to 4,129.42, 5,692.98 and 2,948.44 is: 4,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.42 : 5,692.98 = 2,948.44 : x
  2. Step 2: Convert to fraction form
    4,129.42/5,692.98 = 2,948.44/x
  3. Step 3: Cross multiply
    4,129.42x = 5,692.98 × 2,948.44
  4. Step 4: Simplify right side
    4,129.42x = 16,785,409.95
  5. Step 5: Solve for x
    x = 16,785,409.95/4,129.42
  6. Step 6: Final answer
    x = 4,064.83

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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.